Identify the percent of change as an increase or decrease. Then find the percent of change. Round to the nearest tenth of a percent if necessary. Our class went from 15 students to 21 students

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8