Assume that , and that U is the universal set of natural numbers less than 11. Find

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?



A.
B.
C.
D.
E.

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Answer: A

Mathematics

Solve the problem.The following data represents the height (in inches) and weight (in pounds) of 9 randomly selected adults.  Graph the data on a scattergram treating height as the independent variable. Find an equation of the line containing the points (62, 126) and (70, 181). Graph the line on the scattergram. Interpret the slope of the line. Use the line to predict the weight of a person who is 72.2 inches tall. Round to the nearest pound.

What will be an ideal response?

Translate the sentence to an equation.The product of  and n is 12.

A. n = 12
B. 12n = 
C.  = n
D. n = 12

Find the instantaneous rate of change for the function at the value given.Find the instantaneous rate of change for the function x2 + 7x at x = 8.

A. 23 B. 120 C. 16 D. 15

Solve the problem.The length of telephone calls (in minutes) in a public telephone booth has the probability density function:Determine the probability that a call selected at random will last between 2 and 6 minutes. (Round answer to two decimal places.)

A. 0.70 B. 0.35 C. 0.65 D. 0.95