Find the mode(s).Following is a list of ages of students enrolled in a photography course. Find the mode(s). 20 yr43 yr46 yr43 yr49 yr43 yr

style="vertical-align: -4.0px;" />49 yr

A. 46 yr
B. 43 yr
C. 49 yr
D. 41.9 yr

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Answer: B

Mathematics

Simplify the expression. Assume all variables represent nonnegative real numbers.(x2/3)4/7

A. x8/21 B. x21/8 C. x8/7 D. x26/21

Use the figure below to answer the following question(s). The cheapest-link tour starting with vertex A is A, B, D, C, A

A. only if x > 5. B. only if x > 2. C. only if 0 < x < 1. D. only if 1 < x < 2. E. regardless of the value of x.

Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 

A. ?
B. ?
C. 19?
D. 18?

Answer the question.True or False: The graph of the equation x = -23 is a vertical line.

A. True B. False