Justin needs to memorize words on a vocabulary list for spanish class. he has memorized 30 of the words, which is five-sixths of the list. how many words are on the list?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?