Write the number as the product of a real number and i.
A. 
B. i
C. i
D. -i
Answer: B
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It is the rotation of a space station that provides Earth-level gravity. The number N of rotations per minute needed to provide Earth-level gravity depends on the radius r, in meters, of the spinning space station. The relationship is
?
.
A. Make a graph of the number of rotations per minute versus the radius. Include radii from 10 to 100 meters.B. What happens to the required number of rotations as the radius increases?C. What number of rotations per minute is required if the radius is 26.00 meters? Report your answer correct to 2 decimal places.
What will be an ideal response?
Simplify.
A. -64 B. -8 C. 8 D. 64
After the first day of registration, 450 children had been enrolled in a new day care center. That represented 90% of the available slots. What was the maximum number of children the center could enroll?__________ children
Fill in the blank(s) with the appropriate word(s).
Solve.Let f(x) = 3x2 + 2x + 2. Find x so that f(x) = 0.
A. 
B. 
C. 
D. 