Solve the problem.Find the dimensions of a rectangle whose perimeter is 32 feet and whose area is 60 square feet.
A. 6 ft by 10 ft
B. 5 ft by 9 ft
C. 7 ft by 9 ft
D. 5 ft by 11 ft
Answer: A
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Replace the polar equation with an equivalent Cartesian equation.r2 + 2r2 sin ? cos ? = 324
A. x2 + y2 = 324 B. x + y = 18 C. x + y = ±18 D. x2 + 3y2 = 324
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Solve the problem.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a (hypothetical) planet has a perihelion of 563.4 million miles and a mean distance of 566 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.Rewrite the number 0.
as the quotient of two integers.
A. 
B. 
C. 
D. 