The charge for ice skating is $3 for the skate rental and $2 per hour to skate. how much will you pay if you skate for:

Sample response: No, Yin is not correct. If x = 19, the measure of angle ABC = 4(19) - 12 = 64. Therefore, the two base angles measure 64. An equilateral triangle is equiangular, so each angle would have to measure 60° because there are 180°in a triangle.