## The figure below shows part of a circle whose circumference is 40. If arcs of length 4 and length s continue to alternate around the entire circle so that there are 8 arcs of each length, what is the degree measure of each of the arcs of length s?

(A)6°

(B) 9°

(C) 12°

(D) 18°

(E) 36°

Last week Dyson earned $8 per hour working at the local grocery store. This week his boss gave him a 10% raise. If he works 20 hours this week, what will his gross income be before taxes?

（A）$160 （B） $162 （C） $174 （D） $176 （E） $180

**Correct Answer: **

If (y^{0.2})^{a2-20} = y and y ≠ 0, then what is the solution set of a ?

（A）{1} （B） {-, } （C） {5} （D） {-5,5} （E） {25}

**Correct Answer: D**

katex is not defined for all x ≠ 3

（A） 3x^{2} + 11
（B） 2x + 1
（C） 4x^{2} + 1
（D） 10x 6
（E） 4x 1

**Correct Answer: E**

### More ACT Math Exam Questions

- 1
The point (24,3) on a standard (

*x*,*y*) coordinate plane is halfway between points (*z*,2*z*+ 1) and (15*z*,*z*- 4). What is the value of*z*? - 2A circle with the equation x
^{2}+ y^{2}= 49 is graphed in the standard (x,y) coordinate plane. At which 2 points does this circle intersect the x-axis? - 3If log
_{3}x = 2, then x = - 4
Given parallel lines l and m, which of the following choices lists a pair of angles that must be congruent?

- 5A cellular phone company unveiled a new plan for new customers. It will charge a flat rate of $100 for initial connection and service for the first two months, and $60 for service each subsequent month. If Bob subscribes to this plan for one year, how much does he pay in total for the year?