Collect like terms.
x + 
y + 
x + 
y
A. 
x + 
y
B. - 
x + 
y
C. 
x + 
y
D. 
x + 
y
Answer: D
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
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Change the order of integration and evaluate the integral.
A. 11?2
B. 
?2
C. 
?2
D. 
?2
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Find the average rate of change for the function over the given interval.y = x3 + x2 - 8x - 7 between x = 0 and x = 2
A. -28
B. -2
C. 
D. - 
Mathematics
Evaluate the expression for the given value or values of the variables.
; x = 9, y = 10
A. 35 B. 32 C. 70 D. 75
Mathematics