Acable company charges a monthly fee for cable service plus an additional $3 for each premium channel. this is given by the function y 3x+ 24.5. george has cable service with 4 premium channels. write the domain and range using set notation. what is the cost of george's monthly cable service?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax