Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 2
B. - 
C. -4
D. 
Answer: D
Mathematics
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Solve the problem.The expression 
(F - 32) can be used to convert Fahrenheit to Celsius degrees. On January 29, the high temperature was 
Find the corresponding Celsius temperature (to the nearest degree).
A. 1°C B. 49°C C. 33°C D. 15°C
Mathematics
Solve.x2 + xy + y2 = 28x + y = 2
A. (5, -3), (-5, 7) B. (6, -4) , (-4, 6) C. (6, -4) D. (-4, 6)
Mathematics
Factor the four-term polynomial by grouping.8x + 80 + xy + 10y
A. (y + 10)(8x + y) B. (y + 10)(x + 8) C. (x + 10y)(8 + y) D. (x + 10)(8 + y)
Mathematics
Factor completely. If the polynomial is prime, so state.3x2 - 11x - 10
A. (3x - 5)(x + 2) B. (3x - 2)(x + 5) C. (3x + 2)(x - 5) D. prime
Mathematics