Simplify the algebraic expression.5x + 9y + 10 + 8x - 4y + 13
A. 18xy + 23
B. 13x + 13y + 23
C. 13x + 5y + 23
D. -3x + 13y + 23
Answer: C
Mathematics
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A. (8x - 4)(x + 4) B. 4(2x + 1)(x - 4) C. 4(2x - 1)(x + 4) D. prime
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Convert from one measure to the other.13 quarts to cups
A. 52 cups B. 104 cups C. 26 cups D. 208 cups
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Decide whether or not the ordered pair is a solution to the equation.x - y = 25; (5, 8)
A. Yes B. No
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x9 x-6
A. - 
B. x3
C. 
D. -x3
Mathematics