Solve the problem.The volume of a rectangular solid can be written as V=LWH, where L is the length of the solid, W is the width, and H is the height. A rectangular steel plate lying on a flat surface has a height (thickness) of 
inch. Its length is 4 inches longer than its width. The volume of the plate is 9 cubic inches. What are the length and width of the plate?
A. length = 10 in., width = 6 in.
B. length = 9 in., width = 5 in.
C. length = 10 in., width = 4 in.
D. length = 8 in., width = 6 in.
Answer: B
Mathematics
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Perform the division. Write the answer with positive exponents.(36x6 + 18x4 + 90x2) ÷ (-9x2)
A. -4x6 - 2x4 - 10x2 B. -4x4 - 2x2 - 10 C. -4x4 + 18x4 + 90x2 D. 36x4 + 18x2 + 90
Mathematics
Find the lump sum deposited today that will yield the same total amount as this yearly payment made at the end of each year for 20 years at the given interest rate, compounded annually.$7000 at 4%
A. $95,111.10 B. $95,132.28 C. $91,937.30 D. $98,204.40
Mathematics
Solve by factoring.x2 - 7x - 18 = 0
A. {2, 9} B. {-9, 2} C. {-2, 9} D. {-2, -9}
Mathematics
Solve the equation for the indicated variable.A = 
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics