Find the product.(9x + 5)2
A. 9x2 + 90x + 25
B. 9x2 + 25
C. 81x2 + 90x + 25
D. 81x2 + 25
Answer: C
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Solve the problem by integration.Find the volume generated by rotating the area bounded by 
and 
about the 
A. 3? ln 
B. 
? ln 
C. 
? ln 
D. 
? ln 
Rewrite the expression in terms of exponentials and simplify the results.sinh (2 ln 6x)
A. 
B. 3
C. 
D. 12x
Factor. Check by multiplying.24p + 12q - 12
A. 12(2p + q) B. 12p(2 + q - 1) C. 12(2p + q - 1) D. no common factor
Solve.Katie and some of her friends took part in a marathon race last year and in another one this year. The table shows the times for each person in the two races. Times in Marathon Races
Which runners did better this year than last?
A. Joan, Sandi, Isabelle, Maura B. Katie, Sonoko, Suzanne C. Joan, Sandi, Suzanne D. Joan, Sandi, Isabelle