Exercise 7.3.2 Solve the following problems using cross multiplication.
Sher, 1, the office manager, can type 85 words per minute. At this
rate, how long will it take her to type a document containing
5,015 words?

Find the missing factor in exponential form 48^2=3^2 • ?

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).

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee