The price of a wallet is $31.95 and the sales tax is 7.5%. what is the total cost of the wallet? answer this

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

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer