Solve the formula for the specified variable.a + b = s + r for s
A. s = 
B. s = 
+ b
C. s = r(a + b)
D. s = a + b - r
Answer: D
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Simplify.
A. 5 B. 10 C. -5 D. -10
The problem tells how many units and in what direction the graph of the given equation is to be shifted. Give an equation for the shifted graph. Then sketch the original graph with a dashed line and the shifted graph with a solid line.y = - 
Left 2
A. y = 
B. y = 
- 2
C. y = 
D. y = 
+ 2
Write as a percent.0.53
A. 5.3% B. 530% C. 53% D. 0.053%
Solve the problem.The velocity v in feet per second of a free-falling object can be found using the formula 
, where d is the distance (in feet) that the object has already fallen. Find the distance that and object with a velocity of 68 ft/s has fallen. Round to the nearest foot.
A. 63 feet B. 66 feet C. 72 feet D. 74 feet