15. (03.06 LC) What is the height of a cone with a radius of 4 inches and of volume 8 cubic inches? Round your answer to the tenths place. (1 point)

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b