Alex has two different size book ends for his bigger books and smaller books what is the length of the diagonal distance x of his smaller bookend

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

The surface area of the triangular prism is .

How do i put 3(x+7) in distributive property