Find the area of the circle

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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

Collin did the work to see if 10 is a solution to the equation r/4=2.4