3. a snowmobile manufacturer claims that its newest model is 15% lighter than last year’s model. if this year’s model weighs 799 lb., how much did last year’s model weigh?

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.