Simplify.

A.
B.
C.
D.


Answer: D

Mathematics

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Does the system have one solution, no solution, or an infinite number of solutions?x + y = 8x + y = 2

A. Infinite number B. One C. No Solution

Mathematics

Solve the inequality, and graph the solution set.(a + 6)(a + 4)(a - 3) > 0

A. (3, ?)

B. (-?, -4)

C. (-6, -4) ? (3, ?)

D. (-?, -6) ? (-4, 3)

Mathematics

Translate the sentence to an equation.The difference between a number and 3 is the same as 1 .

A. 1 - 3 = x
B. 3 - x = 1
C. -  = 1
D. - 3 = 1

Mathematics

Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 13 miles per hour. In how many hours will they be 46 miles apart?

A. 4 hours B. 1 hour C. 3 hours D. 2 hours

Mathematics