Solve using the multiplication principle.21 = -3k

A. 24
B. 1
C. -7
D. -24


Answer: C

Mathematics

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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = , on the right by the line , and above by the line y = 2

A. 12? B. 18? C. 36? D. 54?

Mathematics

Solve the problem.A bathroom scale is compressed  in. when a 190 lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale  in. weigh?

A. 47.5 lb B. 95 lb C. 142.5 lb D. 380 lb

Mathematics

For the given arithmetic series, what is Sn?a1 = 3, d = 9, and n = 13

A. 2964 B. 741 C. 1482 D. 754

Mathematics

Graph the function.y = sec (2x - ) + 2 

A.

B.

C.

D.

Mathematics