Multiply.-10x3(-9x + 8)
A. 90x4 - 80x3
B. 90x4 + 8
C. 10x3
D. 90x - 80
Answer: A
Mathematics
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 1 ln 3 (e - 1)
B. 1 ln 2 (e - 1)
C. 
ln 2 (e - 1)
D. 
ln 3 (e - 1)
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Add or subtract. Simplify your answer to lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + x - 30
A. prime B. (x - 5)(x + 6) C. (x - 6)(x + 5) D. (x + 1)(x - 30)
Mathematics