Simplify the expression. Assume all variables represent positive real numbers.
- 
+ 
A. - 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Simplify. If the answer is not a real number, state so. Assume all variables represent non-negative real numbers.
A. 25 B. 5 C. not a real number D. 8.368
Mathematics
Use a proportion to solve the problem.Martin can paint 1840 ft2 with 4 gal of paint. How many 1-gal cans does he need in order to paint a 
wall?
A. 39 cans B. 37 cans C. 10 cans D. 148 cans
Mathematics
Decompose into partial fractions.
A. 2x - 5 - 
+ 
B. 2x - 5 - 
+ 
C. 2x + 5 - 
+ 
D. 2x + 5 - 
+ 
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.13x + 24 ? 5x + 96
A. (-?, 9]
B. (-?, -9]
C. (-9, ?)
D. [9, ?) 
Mathematics