Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(8, 0°)
A. (8, 0)
B. (-8, 0)
C. (0, 8)
D. (0, -8)
Answer: A
Mathematics
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = x2 - 5, find 
f(x).
A. 
; limit = -3.0
B. 
; limit = -15.0
C. 
; limit = -5.0
D. 
; limit = ?
Mathematics
Add or subtract as indicated. Simplify the result, if possible.
- 
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.A rectangular enclosure must have an area of at least 3000 yd2. If 220 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 50 ? w ? 55 B. 0 ? w ? 50 C. 55 ? w ? 60 D. 50 ? w ? 60
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics