Mr. Bordner has a patio in the shape of a trapezoid. He knows that the area of the trapezoid is 90 square feet. He knows the height of the trapezoid is 12 feet and
one of the bases is 6 feet. What is the length of the other base?
25

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

How do you find the area of a triangle

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?