Simplify using only positive exponents. Leave the answer in exponential notation.
A. 37
B. 311
C. 
D. 
Answer: D
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Solve the application problem.A window washer accidentally drops a bucket from the top of a 64-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 32 sec B. -2 sec C. 4 sec D. 2 sec
Evaluate the expression.
A. 
B. 7
C. 7!
D. 1
Find parametric equations (not unique) for the circle (give an interval for the parameter values) and find a description in terms of x and y.a circle centered at (4, 3) with radius 2, generated counterclockwise
A. x = t - 4, (y - 3)2 + t2 = 4, for 0 < t < 2?; x2 + y2 = 2
B. x = 3 + 2 sin t, y = 4 + 2 cos t, for 
< t < 
; x2 + y2 = 2
C. x = 4 + 2 cos t, y = 3 + 2 sin t, for 0 < t < 2?; x2 + y2 = 2
D. x = 4 + sin t, y = 3 + cos t, for 
< t < 
; x2 + y2 = 2
Find a positive inverse for 7 modulo 48. (That is, find a positive integer n such that 7n ? 1 (mod 48).)
What will be an ideal response?