Elena and Jorge have similar problems and find the same answer. Each determines that the solution to the problem is 24. Elena: (14 + 42) ÷ 7 + 42 Jorge: 14 + (42 ÷ 7) + 42

56 ÷ 7 + 42 56 ÷ 7 + 42

56 ÷ 7 + 16 56 ÷ 7 + 16

8 + 16 8 + 16

24 24

Did both students evaluate the expressions correctly? What mistakes were made, if any?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2