Find a polar equation in the form r cos(? - ?0) = r0 for the given line.x - 
y = 10
A. r cos 
= 10
B. r cos 
= 5
C. r cos 
= 5
D. r cos 
= 10
Answer: C
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Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 153 ft.
A. 38.25 ft × 38.25 ft B. 76.5 ft × 76.5 ft C. 12.75 ft × 38.25 ft D. 38.25 ft × 153 ft
Provide an appropriate response.What is the range of the function y = 
x?
A. [0, ?) B. (-?, ?) C. (-?, 0) D. (0, ?)
Solve the given equation. 2 cos² ? - cos ? - 1 = 0
What will be an ideal response?
Solve.The earned run average (or ERA) is a statistic used in baseball to represent the average number of earned runs that a pitcher allows. A pitcher's ERA can be calculated using the expression 
, where E stands for the number of earned runs a pitcher gave up while getting O outs. Simplify this complex rational expression.
A. 
B. 
C. 
D. 