Fill in the blank.The opposite of -24 = 
.
A. 
B. 24
C. -24
D. 0
Answer: B
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Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
- tan x
A. cos x B. tan x C. csc x D. cot x
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 12.25 inches tall and stand 70 inches apart. At some point along the road from the lowest point of the cable, the cable is 1.96 inches above the roadway. Find the distance between that point and the base of the nearest tower.
A. 21.2 in. B. 13.8 in. C. 21 in. D. 14.2 in.
Solve.The square has sides of length 6x4 centimeters. Find its area. 
6x4centimeters
A. 12x8 sq cm B. 12x16 sq cm C. 36x8 sq cm D. 36x16 sq cm
Simplify each side of the equation, if possible. Then solve the equation.
- 4 + 14 = 16y - 15 - 15y + 2
A. y = 
B. y = 
C. y = 15
D. y = 11