Perform the indicated operation and write your answer with positive integer exponents.
A. m + n
B. m - n
C. n - m
D. -n - m
Answer: C
Mathematics
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Solve the problem.A local department store sells carpets in 4 sizes. Each carpet comes in 3 different qualities. One of the sizes comes in 5 colors. The other sizes come in 3 colors. How many choices of carpet are there?
A. 42 B. 51 C. 44 D. 47
Mathematics
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -24 B. -9 C. -8 D. -16
Mathematics
Find the amount of each payment needed to accumulate the indicated amount in a sinking fund. Round to the nearest cent.
$5,100, money earns 6% compounded quarterly, 4 years
A. $941.61 B. $1,165.81 C. $573.55 D. $284.43
Mathematics
Graph the solution set to the inequality.x + y < -2
A. 
B. 
C. 
D. 
Mathematics