Find the polar coordinates of the point. Express the angle in degrees and then in radians, using the smallest possible positive angle.(-5
, 5
)
A. (5
, 30°), 
B. (5
, 150°), 
C. (5
, 120°), 
D. (5
, 135°), 
Answer: D
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Solve. Give your answer as a mixed numeral.Five babies were born on a given day at Midland Hospital. The birth weights were 
pounds, 
pounds, 
pounds, 
pounds, and 
pounds. What was the average birth weight for that day?
A. 6
lb
B. 7 lb
C. 8
lb
D. 7
lb
Provide an appropriate response.Indicate whether the following statement is true or false.If every element in one column of a 5 x 5 matrix is 0, but all other elements in the matrix are nonzero, the determinant of the matrix is 0.
A. False B. True
Solve the problem.Given the following revenue and cost functions, find the x-value that makes profit a maximum. (Recall that profit equals revenue minus cost.) R(x) = 58x - 2x2; C(x) = 25x + 98
A. 14.5 B. 9.25 C. 16.5 D. 8.25
Find an equation for the sphere with the given center and radius.Center (-4, 9, 0), radius = 10
A. x2 + y2 + z2 - 8x + 18y = 3 B. x2 + y2 + z2 + 8x - 18y = 3 C. x2 + y2 + z2 - 8x - 18y = 3 D. x2 + y2 + z2 + 8x + 18y = 3