Beth bought an 8.5-pound bag of cat food. she also bought a bag of dog food that weighs 3.5 times as much as the bag of cat food. how much does the bag of dog food weigh?

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).

Ten times the square of a non-zero number is eqaul to ninety times the number

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply