Find the solutions to the system of equations by the addition method. x - 4y = 339x - 5y = 111
A. (8, -6)
B. (8, -5)
C. (9, -6)
D. (-9, -5)
Answer: C
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Solve for the base. Round to the nearest cent.Part: $32.10 Rate of decrease: 9%
A. $135.27 B. $32.10 C. $35.27 D. $29.21
Mathematics
Determine whether the data represent direct variation, inverse variation, or neither.
A. Inverse B. Neither C. Direct
Mathematics
Factor the binomial completely.50a4b - 18b3
A. 2b(5a2 + 3b)(5a2 - 3b) B. (10a + 6b)(5ab - 3b2) C. 2b(5a + 3b)2 D. 2b(5a - 3b)2
Mathematics