Multiply.-14(7)
A. -84
B. 84
C. -98
D. -105
Answer: C
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Solve the problem.
Three boards are used as shelves in a bookcase. Each one is 1
inches thick and the shelves areevenly spaced. If the height, h, of the bookcase is 42 inches, how much space is between each shelf?
A. 21 inches
B. 14 inches
C. 13 inches
D. 18
inches
Evaluate and simplify completely. Write your answer as a mixed number if possible.2
× 2
A. 2 B. 4 C. 5 D. 6
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.7x - 1.5y + 3.6z = -0.43.3x - 7.0y - 1.4z = -5.02.4x - 2.9y + 4.2z = -3.7
A. (7.0, 6.7, -2.9) B. (1.7, 1.7, -0.7) C. (3.5, 3.4, -1.4) D. (13.9, 13.4, -5.7)
Provide an appropriate response.Decide whether the elimination method or the substitution method involves the least amount of work. Do not solve.-8x - 9y = 39-3x - 7y = 40
A. Elimination B. Substitution