Multiply. Write the answer in lowest terms.- 
? 7
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 6 in. B. 3 in. C. 4 in. D. 4 in. on one side, 5 in. on the other
Mathematics
Simplify the expression by combining like terms. 16.7 + 20.1m - 33.68
A. 20.1m - 17.68 B. 16.9m - 33.68 C. 20.1m - 16.98 D. 16.98m + 20.1
Mathematics
Solve.A layer of paint on a piece of wood has a thickness of 
inch. The thickness of the piece of wood is 
inch. What is the total thickness of the wood and the paint?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Solve the equation.8x2 + 7x = -2
A. 
B. 
C. 
D. 
Mathematics