Chris is 4 1/4 feet tall his mom is 1 1/2 times as tall as chris how tall is chris's mom

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

What is negative 3/9 times negative 2/8 ?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.