## A 25-foot ladder stands against a vertical wall at an angle of ndegrees with the ground. If , how far is the base of the ladder from the wall?

(A) 12

(B) 13

(C) 14

(D) 15

(E) 16

What is the area of the figure below?

（A）54 in^{2}
（B） 90 in^{2}
（C） 108 in^{2}
（D） 135 in^{2}
（E） 180 in^{2}

**Correct Answer: A**

For all real numbers m and n, when is the equation |m - n| = |m + n| true?

（A）Never （B） Always （C） Only when m = n （D） Only when m = 0 and n = 0 （E） Only when m = 0 or n = 0

**Correct Answer: E**

Find the radius of the circle with center (4,−2) that is tangent to the y-axis

(A)2 (B)6 (C)1 (D)4 (E)10

**Correct Answer: D**

### More ACT Math Exam Questions

- 1Melissa attaches her dog's leash to a metal anchor in the grass so that
the dog can roam only within a radius of 12 feet in any direction from
the anchor. A map of the area accessible to the dog is shown below in
the standard (x,y) coordinate plane, with the anchor at the origin and 1 coordinate unit representing 1 foot.
Joy brings her dog to the same park and anchors her dog 30 feet away from Melissa's anchor along a walking trail. Joy's dog can roam only within a radius of 20 feet in all directions from its anchor. For how many feet along the walking trail can both dogs roam?

- 2
When asked the price, in dollars, of his fancy calculator, Albert responded, "If you take the square root of the price, then add the price, the result is 66." What is the price, in dollars, of Albert's calculator?

- 3
In a certain sequence of numbers, each term after the 1st term is the result of adding 2 to the previous term and multiplying that sum by 3. If the 4th term in the sequence is 186, what is the 2nd term?

- 4Which of the following expresses the equation 4x - 2y = 12 in slope-intercept form for the standard (x, y) coordinate plane?
- 5A circle C is inscribed in a square as shown. If the area of the square is 256 units square, what is the radius of the circle?