Solve.The perimeter of a square is 52 units. Write and solve an equation to find the length of one side, s, of the square.
A. s2 = 52; s = 26
B. 4s = 52; s = 13
C. 
= 52; s = 13
D. 4s = 52; s = 169
Answer: B
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Provide an appropriate response.Perform the division and express in scientific notation:
A. -4.81 × 107 B. 5 × 106 C. 5 × 107 D. .05
Provide an appropriate response.Write 
, 
and 
in terms of their LCD.
A. 
, 
, and 
B. 
, 
, and 
C. 
, 
, and 
D. 
, 
, and 
Solve the problem.A carousel has a radius of 15 feet and takes 29 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A. 12.15 ft/sec B. 94.25 ft/sec C. 3.25 ft/sec D. 0.52 ft/sec
Solve the problem.The figure shows the cost of renting a car, f(x), as a function of distance driven, x, in miles, for distances not exceeding 70 miles. 
(i) Find
f(x).(ii) Find
f(x).(iii) What can you conclude about
f(x)? How is this shown by the
graph?(iv) What aspect of costs of renting a car causes the graph to jump vertically by the same amount at its discontinuities? What will be an ideal response?