Evaluate.i31
A. -1
B. 1
C. -i
D. i
Answer: C
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Solve.A gift is put into a rectangular box measuring 8 × 8 × 12 inches. If each wrapping paper sheet covers 60 square inches, how many sheets must be purchased to completely wrap the gift?
A. 9 sheets B. 8 sheets C. 4 sheets D. 6 sheets
Use the quadratic formula to solve the quadratic equation.x2 = 2x + 3
A. 3, 1 B. - 3, 1 C. 3, -1 D. -3, 0
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-2, 0) and (3, 4); Decreasing on (-5, -2) and (1, 3)
B. Increasing on (1, 3); Decreasing on (-2, 0) and (3, 5); Constant on (2, 5)
C. Increasing on (-2, 0) and (3, 5); Decreasing on (1, 3); Constant on 
D. Increasing on (-1, 0) and (3, 5); Decreasing on (0, 3); Constant on (-5, -3)
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.V = 
Bh; V = 36, h = 9
A. 45 B. 12 C. 4 D. 324