
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
**p1.** What is the maximum number of points of intersection between a square and a triangle, assuming that no side of the triangle is parallel to any side of the square?**p2.** Two angles of an isosceles triangle measure  $80^o$  and  $x^o$ . What is the sum of all the possible values of  $x$ ?**p3.** Let  $p$  and  $q$  be prime numbers such that  $p + q$  and p +  $7q$  are both perfect squares. Find the value of  $pq$ .**p4.** Anna, Betty, Carly, and Danielle are four pit bulls, each of which is either wearing or not wearing lipstick. The following three facts are true:
(1) Anna is wearing lipstick if Betty is wearing lipstick.
(2) Betty is wearing lipstick only if Carly is also wearing lipstick.
(3) Carly is wearing lipstick if and only if Danielle is wearing lipstick

The following five statements are each assigned a certain number of points:

(a) Danielle is wearing lipstick if and only if Carly is wearing lipstick. (This statement is assigned  $1$  point.)
(b) If Anna is wearing lipstick, then Betty is wearing lipstick. (This statement is assigned  $6$  points.)
(c) If Betty is wearing lipstick, then both Anna and Danielle must be wearing lipstick. (This statement is assigned  $10$  points.)
(d) If Danielle is wearing lipstick, then Anna is wearing lipstick. (This statement is assigned  $12$  points.)
(e) If Betty is wearing lipstick, then Danielle is wearing lipstick. (This statement is assigned  $14$  points.)
What is the sum of the points assigned to the statements that must be true? (For example, if only statements (a) and (d) are true, then the answer would be  $1 + 12 = 13$ .)**p5.** Let  $f(x)$  and  $g(x)$  be functions such that  $f(x) = 4x + 3$  and  $g(x) = \frac{x + 1}{4}$ . Evaluate  $g(f(g(f(42))))$ .**p6.** Let  $A,B,C$ , and  $D$  be consecutive vertices of a regular polygon. If  $\angle ACD = 120^o$ , how many sides does the polygon have?**p7.** Fred and George have a fair  $8$ -sided die with the numbers  $0, 1, 2, 9, 2, 0, 1, 1$  written on the sides. If Fred and George each roll the die once, what is the probability that Fred rolls a larger number than George?**p8.** Find the smallest positive integer  $t$  such that  $(23t)^3 - (20t)^3 - (3t)^3$  is a perfect square.**p9.** In triangle  $ABC$ ,  $AC = 8$  and  $AC < AB$ . Point  $D$  lies on side BC with  $\angle BAD = \angle CAD$ . Let  $M$  be the midpoint of  $BC$ . The line passing through  $M$  parallel to  $AD$  intersects lines  $AB$  and  $AC$  at  $F$  and  $E$ , respectively. If  $EF =\sqrt2$  and  $AF = 1$ , what is the length of segment  $BC$ ? (See the following diagram.)
![Image](https://cdn.artofproblemsolving.com/attachments/2/3/4b5dd0ae28b09f5289fb0e6c72c7cbf421d025.png)**p10.** There are  $2011$  evenly spaced points marked on a circular table. Three segments are randomly drawn between pairs of these points such that no two segments share an endpoint on the circle. What is the probability that each of these segments intersects the other two? 


PS. You should use hide for answers.  Collected [here](https://artofproblemsolving.com/community/c5h2760506p24143309).

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