How do i draw a picture to show how to find 12+37

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

If you could answer these your a life saver

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955