Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = S - r
C. h = 2?(S - r)
D. h = 
- 1
Answer: A
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Solve the indicated equation analytically.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
where t is the time in weeks with t = 1 referring to the first week in the year. During which week(s) will the sales equal 99,650 items?
A. week 4, week 20, and week 52 B. week 21 and week 30 C. week 30 and week 47 D. week 4 and week 47
Solve the problem.A sales representative is paid a commission rate of 6.7%. Find her commission if she sold $117,810 worth of goods last month.
A. $17,583.58 B. $125,703.27 C. $1758.36 D. $7893.27
Study the examples. The arrows indicate the direction(s) that the given cube has been rotated 90°. Pick the cube illustrating the appropriate rotations.
?
Rotating a cube.
?
?
Rotation: to the left, downward
?
?
A. A B. D C. B D. C
The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Negative B. Zero C. Positive