Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)

A. 21m
B. 21 + m
C. 21 + 7m
D. 21 + 3m


Answer: D

Mathematics

You might also like to view...

Use the pH scale to answer the question.If the pH of a solution decreases by 1.7, how much does the hydrogen ion concentration change? Does the change make the solution more acidic or more basic?

A. Increases by a factor of 17; more acidic B. Decreases by a factor of 50; more basic C. Decreases by a factor of 17; more basic D. Increases by a factor of 50; more acidic

Mathematics

Perform the indicated operations.28 - 7

A. 35
B. 63 
C. 21
D. 21 

Mathematics

Solve the problem.How close does the curve y =  come to the point ? (Hint: If you minimize the square of the distance, you can avoid square roots.)

A. The distance is minimized when x = 0; the minimum distance is  units.
B. The distance is minimized when x = - ; the minimum distance is  units.
C. The distance is minimized when x = 3; the minimum distance is  units.
D. The distance is minimized when x = 0; the minimum distance is  units.

Mathematics

Use the intermediate value theorem to find the value of c such that . ? 

A.
B.
C.
D.

Mathematics