What is the solution of the equation? 3 = b + 3
a. 1
b. 6
c. 9
d. 0

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).

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?