Given the matrices A and B, find the matrix product AB.A = 
, B = 
Find AB.
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response. A business paid a $6.32 finance charge on a monthly balance of $412.52. What was the monthly rate of interest? Round to the nearest hundredth.
A. 6.5% B. 1.53% C. 18.36% D. 1.63%
Multiply or divide and write scientific notation for the result.
A. 8 × 10-1 B. 4 × 109 C. 8 × 109 D. 4 × 10-1
Substitute the given values into the formula and solve for the unknown variable.P = 2L + 2W; P = 20, W = 7
A. 6.5 B. 13 C. 3 D. 10
Solve the problem.A rectangle has a length of x + 5 and a width of x - 5 and has an area of 56 square units. Find the length and width of the rectangle. (A = LW)
A. width = 2 units; length = 28 units B. width = 4 units; length = 14 units C. width = 1 unit; length = 56 units D. width = 7 units; length = 8 units