Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(-4, -4
)
A. 
B. 
C. 
D. 
Answer: D
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Solve.The linear speed L of a grinding wheel in feet per minute (fpm) is given by the formula 
where d is the diameter of the wheel in inches and r is the rotational speed in revolutions per minute (rpm). What rotational speed is needed for a 4.0-inch grinding wheel to generate a linear speed of 3800 fpm? Use 
(Round to the nearest hundred rpm.)
A. 3900 rpm B. 10,000 rpm C. 11,000 rpm D. 3600 rpm
Express the statement as an equation involving the indicated variables.The perimeter P of a rectangle is twice the sum of its length l and its width w.
A. P = 2lw B. P = l + w C. P = lw D. P = 2(l + w)
Write the decimal number as a percentage.0.088
A. 88% B. 0.88% C. 8.8% D. 0.088%
Determine whether the given value is a solution to the given equation.
= 0.88; x = 4.84
A. Yes B. No