Joan had 259 dollars to spend on 8 books. after buying them she had 11 dollars. how much did each book cost?

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?

In the diagram below de and ed are tangent to 0 which expression gives the measure of def