How can you write the expression with a rationalized denominator 2-sqrt5/2sqrt3

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Find the equation using the point (4,8)