If 10 pineapples cost 20$ whats the cost for 1

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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

What is the factored form of the following expressions? d^2 – 13d + 36