Add or subtract as indicated. Write the answer in simplest form. + 

A.
B.
C.
D.


Answer: B

Mathematics

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Determine the number of sides in a regular polygon whose central angles each measure 24°.

A. 10 B. 12 C. 14 D. 15

Mathematics

Identify the sequence as arithmetic, geometric, or neither.an = 9n

A. Neither B. Geometric C. Arithmetic

Mathematics

Simplify the expression by combining like terms.5x + 2x

A. 10x B. 3x C. 7 + x D. 7x

Mathematics

Solve the problem.Find the amount in a savings account at the end of 8 years if the amount originally deposited is $7000 and the interest rate is 5% compounded quarterly.Use: A = Pntwhere:A = final amountP = $7000 (the initial deposit)r = 5% = 0.05 (the annual rate of interest)n = 4 (the number of times interest is compounded each year)t = 8 (the duration of the deposit in years)

A. $11,458.60 B. $7731.40 C. $226,800.00 D. $10,416.91

Mathematics