Simplify. Assume all variables and radicands represent nonnegative real numbers.4t
- 
A. 3t2
B. -3t
C. 13
D. 3t
Answer: D
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Solve the problem.A store owner wishes to stack books into equal piles, each pile containing only one title. There are 15 books of one title and 35 books of another title in a shipment. What is the largest number of books that can be stacked in each pile?
A. 15 B. 105 C. 35 D. 5
Find the opposite (additive inverse) of the number.26
A. -26
B. 26
C. 
D. 0
Find the focus and the equation of the directrix of the following parabola.x2 + 8x + 4y + 4 = 0
A. Focus (-4, 2), directrix y = 4 B. Focus (0, 2), directrix y = 2 C. Focus (2, 4), directrix y = 6 D. Focus (-4, 1), directrix y = 2 E. Focus (2, 0), directrix y = 4
Find the slope of the curve at the indicated point.y = -6x - 6, x = 3
A. m = -6 B. m = -18 C. m = 6 D. m = 18