Lucy's goal for her cycling class at the gym is to burn 450 calories in one hour. The number of calories, she actually bums in one hour varies from her goal by no more than 45 calories. Which inequality represents this scenario?

Can someone check my answer? you

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

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).