THIS IS FOR A TEST I NEED HELP NOW

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

Write the slope intercept equation for line ab.