Which expressions are correct for the situation? a. earl earns $18.00 per hour. in x hours, he earns x/$18 b. you buy one bagel for 0.80 and m bagels for 0.75 each. the total cost is 0.80 + 0.75m. c. the area of a rectangle that has a width of 8 units and a length of 2x units is 16x square units. d. leann is 6 inches taller than her younger sister whose height is x feet. the height of leann's little sister is x + 6. e. sara's piggy bank has $3 more than twice as much money as anna's bank. if anna has x dollars, sara has 2x + 6.