Simplify.
A. 
B. -1
C. 
D. 
Answer: A
Mathematics
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Write as a percent. Round to the nearest hundredth of a percent when necessary.
A. 25.5% B. 1000% C. 51% D. 5.1%
Mathematics
Divide.
A. 4r2+ 6r + 
B. 4r2+ 6r+ 7
C. 4r2- 6r- 7
D. r2+ 7r+ 6
Mathematics
Solve the problem.pH = -log10[H+] Find the pH if the [H+] = 9.1 x 10-2.
A. 2.96 B. 1.96 C. 2.04 D. 1.04
Mathematics
Find the expression identical to the one given.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics