When the sides are congruent (same direction and size), and the two opposite sides are parallel, the angles are the same. In an isosceles triangle, two angles are congruent, because two sides are congruent.
The parent function was moved left one and down five. It also opened up due to the 1/2
10.5 ounces because you’d get 3.2 ounces per dollar where as the 7.5 you’d get 3 ounces