Simplify the expression.(
+ 5)(
+ 2)
A. 
+ 7
+ 10
B. 8
+ 10
C. 
+ 2
+ 5
+ 10
D. 
+ 10
Answer: C
Mathematics
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Expand the quotient by partial fractions.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
+ 
Mathematics
Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. To the nearest tenth of a square foot, how much does the area increase when the radius changes from 5 ft to 5.1 ft?
A. 31.4 ft2 B. 2.0 ft2 C. 3.1 ft2 D. 15.7 ft2
Mathematics
Simplify.
A. x5y6 B. x10y6 C. x8y10 D. x5y12
Mathematics
Solve the problem.Sheryl's mean score on eight exams is 93.625. Find the sum of her scores.
A. 849 B. 772 C. 765 D. 749
Mathematics