## Find the value of cos A if angle A is acute and sin A = 7/10

(A)3/10

(B)1/9

(C)7/√51

(D)51/10

(E)√51/10

The length, in inches, of a box is 3 inches less than twice its width, in inches. Which of the following gives the length, l inches, in terms of the width, w inches, of the box?

(A)*l* = *w* + 3
(B)w + 3
(C)w – 3
(D)2w + 3
(E)2w – 3

**Correct Answer: E**

What is the slope of a line that includes the points (–4, 1) and (10, –6)?

(F) 2(G) (H) (J) (K)

**Correct Answer: H**

What is the value of when *x* = -3 and *y* = -4?

(F) - (G) - (H) (J) (K)

**Correct Answer: J**

### More ACT Math Exam Questions

- 1
If

- 2If x = -3 and y = 2, then 2x
^{2}- 5xy + y^{2}= ? - 3Which of the following expressions is equivalent to (3x + 4)(x - 5)?
- 4"If Jenny is home, then her car is in the driveway." If the previous statement is true, then which of the following must also be true?
- 5
A poor, frustrated artist named Fresco created a plan to make money. He collected trash, repurposed it into sculptures, then asked various celebrities to write and paint on these trash objects, which he then sold on his own as modern high art. The chart below separately shows the

*cost*and*revenue*of his plan. The linear cost function,*C(x)*, represents the total money spent to make and market the art, while the linear revenue function,*R(x)*, shows the amount of money he has made in sculpture sales.Fresco initially spent money promoting the project in the media. He also had to pay the celebrities to participate. After 6 months, Fresco had created and sold

*x*number of trash sculptures and finally broke even: he hadn't made or lost any money. How many sculptures did Fresco sell in his first 6 months of the project?