Evaluate the indicated power of i.i9
A. 1
B. -1
C. i
D. -i
Answer: C
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?
Given that y = 9, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = sin-1 
B. A = tan-1 
C. A = tan-1 
D. A = sin-1 
Solve the formula for the specified variable.A = 4xh + 2x2; for h (surface area of a rectangular solid with a square base)
A. h = 
- 2x2
B. h = 
C. h = 
D. h = A - 2x2 - 4x
Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh2 B. 2?r2h C. ?rh D. ?r2h
Find the special products using patterns.(5m + 4)2
A. 25m2 + 40m + 16 B. 5m2 + 40m + 16 C. 5m2 + 16 D. 25m2 + 16