Can somebody please help me with this? I don't really understand how to do it.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28