each square on Olivia chessboard is 14 square centimeters. A chessboard has 8 squares on each side. To the nearest tenth, what is the width of Olivia's chessboard

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?

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Can someone tell me if this is perpendicular? !