Set up a linear equation and solve it. Use the variable x in your equation.One lap around a running track is 400 meters. How many laps will you run if you travel 5200 meters?
A. 400x = 5200; 13 laps
B. 5200x = 400; 26 laps
C. 100x = 5200; 52 laps
D. 200x = 5200; 
laps
Answer: A
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Find the area.
(a trapezoid)
A. 1350 m2 B. 315 m2 C. 291 m2 D. 157.5 m2
Write the described ratio in fractional notation in lowest terms.Find the ratio of the longest side to the perimeter of the right triangle. 
A. 
B. 
C. 
D. 
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 4x + 4y - 1 = 0
A. a. center = (-2, -2); radius = 3
b. (2 + 
, 0), (0, -2 + 
)
B. a. center = (-2, 2); radius = 9
b. (2 + 
, 0), (0, -2 + 
)
C. a. center = (2, -2); radius = 3
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
D. a. center = (2, -2); radius = 3
b. (2 + 
, 0), (2 - 
, 0), (0, -2 + 
), (0, -2 - 
)
Factor the trinomial.36 - 13x + x2
A. (x - 4)(x - 9) B. (x - 4)(x + 9) C. (x - 36)(x - 1) D. (x + 4)(x + 9)