If ab =9cm and bc =12 cm which does ac equal

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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?

What statement is true? 2x^2-9x+2=-1