Hello ! I need solve System OF Linear Equals for Mathematics subject. I will be very happy if anyone can do that :) I"m attaching Microsoft Word 2016 Document.

Which formula gives the area of a triangle? a=1/2(b+h)

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.