A terrarium is built in the shape of a triangular prism. The prism is 10 inches in height and contains 450 cubic inches of space. What is the area of the base shape of the prism?

2(10 - 13x) + 9x = -34x + 6020 - 26x + 9x = -34x + distributive property-17x = -34x + subtraction property (subtracted 20 from both sides)17x = addition property (added 34x to both sides)x = 40/ division property (divided both sides by 17)