Use the vectors , , and 

class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_0f84bf5c415841d98b2f9eea1" /> to find the indicated quantity. State

whether the result is a vector or a scalar.

?



?



A. ; vector
B. ; vector
C. ; vector
D. -240; scalar
E. ; vector

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Answer: C

Mathematics

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 6x2, y = 6

A. ?
B. 54?
C. ?
D. ?

Solve the problem.A child on a swing sweeps out a distance of 20 ft on the first pass. If she is allowed to continue swinging until she stops, and if on each pass she sweeps out a distance  of the previous pass, how far does the child travel?

A. 6.67 ft B. 26.67 ft C. 13.34 ft D. 46.67 ft

Write the phrase as a variable expression. Use x to represent "a number."22 subtracted from a number

A. 22x B. 22 - x C. 22 D. x - 22

Write the sum or difference in the standard form a + bi. + 

A. 9 -  i
B. 9 -  i
C. 9 +  i
D. 9 -  i