Mr. mole left his burrow and started digging his way down.

b(t) models mr. mole's depth relative to the ground (in meters) after t minutes.

how far below the ground is mr. mole after 5 minutes?

b(t) = -2.3t - 7

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).

How far could you drive on 50 gallons of gas

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2