HELP

Solve the simultaneous equation :
x/2 + y/3 = 4
2xy = 45

Draw out the fraction then show how you would subtract 5 1/4

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

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.