## Which equation corresponds to the graph

(A)

(B)

(C)

(D)

(E)

Which of the following is (are) equivalent to the mathematical operation a(b - c) for all real numbers a, b, and c? I. ca - ba II. ab - ac III. (b - c)a

（A）II only （B） I and II only （C） I and III only （D） II and III only （E） I, II and III

**Correct Answer: D**

Ann is wrapping a gift for her friend's shower. She wants to cut ribbon so that she can place it on the gift like the picture below. What is the minimum length of the ribbon, in centimeters, that Ann would need to cut in order to wrap the box, assuming no overlap?

（A）52 （B） 104 （C） 120 （D） 128 （E） 3,072

**Correct Answer: C**

What is the volume, in cubic centimeters, of a cone with a height of 9 centimeters and a base with a radius of 4 centimeters? (The volume of a cone is , where R is the radius of the base of the cone and h is the height of the cone.)

（A）144π （B） 72π （C） 48π （D） 16π （E） 9π

**Correct Answer: C**

### More ACT Math Exam Questions

- 1If ? is defined for all real numbers x and y by x ? y = (x + y)(x - y), then 1 ? (2 ? 2) = ?
- 2 What is the inequality that corresponds to the graph
- 3
The difference of 2 integers is 6. The sum of the same 2 integers is 42. What is the lesser of the 2 integers?

- 4
In the following figure, sin θ=

- 5
If pq= 3, then p

^{3}q^{4}+ p^{4}q^{5}=