Solve.A painter can finish painting a house in 3 hours. Her assistant takes 5 hours to finish the same job. How long would it take them to complete the job if they were working together? (Round your answer to the nearest tenth, if necessary.)
A. 4 hr
B. 2.4 hr
C. 2 hr
D. 1.9 hr
Answer: D
Mathematics
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Plot the two real numbers on the real number line. Then place the appropriate inequality symbol (< or >) between them. ? -4, -7 ?
A. 
-4 > -7
B.
-4 ? -7
C.
-4 ? -7
D.
-4 < -7
E.
-4 = -7
Mathematics
Solve the problem.If f(x) = 
and g(x) = 8x - 12, find f(g(x)).
A. 2
B. 8
- 12
C. 2
D. 8
Mathematics
Add or subtract as indicated.|-13 - 17|
A. -30 B. 4 C. -4 D. 30
Mathematics
Find the median. Round to the nearest tenth when necessary.19.3, 19.4, 18.3, 18.4, 19.3, 18.2
A. Median = 18.4 B. Median = 19.3 C. Median = 18.85 D. Median = 37.7
Mathematics