Simplify. 

A.
B.
C.
D.


Answer: C

Mathematics

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The size of two matrices is given. Find the size of the product AB and the product BA, if the products exist.A is 1 × 3, B is 3 × 1.

A. AB is 1 × 1, BA is undefined. B. AB is undefined, BA is 3 × 3. C. AB is 1 × 1, BA is 3 × 3. D. AB is 3 × 3, BA is 1 × 1.

Mathematics

Use the table to solve.Factors for loan qualification:ConventionalVAFHA3. Credit score should be 650 or higher.The Thompson family is trying to qualify for a conventional loan. Their gross monthly income is $4839. If they get the loan, their mortgage payment will be approximately $933. Their total monthly debt will be $1164. They have a credit score of 700. Do they qualify?

A. f.e.r. = 0.39, b.e.r. = 0.34 ; No B. f.e.r. = 0.39, b.e.r. = 0.34 ; Yes C. f.e.r. = 0.19, b.e.r. = 0.24; Yes D. f.e.r. = 0.04, b.e.r. = 0.03; No

Mathematics

Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Find the amount of markup of an item which cost a store $215. The store has a 25% markup.

A. $53.75 B. $268.75 C. $172.00 D. $860.01

Mathematics

Find the average rate of change of the function as x changes from a to b.h(x)= 4x2; a = 3, b = 5

A. -32 B. 8 C. -8 D. 32

Mathematics