Tom wants to buy tomatoes that cost $0.70 each and carrots that cost $0.35 each. write an expression that can be used to find the total cost for any given number of tomatoes and carrots. then find the total cost for 5 tomatoes and 3 carrots.

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).

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false