Simplify the expression.5 - (7 - 2)3
A. -120
B. 130
C. -20
D. 30
Answer: A
Mathematics
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Provide an appropriate response.Find the direction of the vector in standard position with end point (6, 8). Round to the nearest hundredth.
A. 48.59° B. 36.87° C. 41.41° D. 53.13°
Mathematics
Solve the problem.A painter can finish painting a house in 5 hours. Her assistant takes 7 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. 2.9 hr B. 4 hr C. 6 hr D. 3.4 hr
Mathematics
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|8x - 1| + 3 < -5
A. 
B. 
C. 
D. ?
Mathematics
Round as indicated.56 to the nearest ten
A. 40 B. 50 C. 60 D. 70
Mathematics