Factor the following expression using the GCF: 10ab + 20. 10(ab + 2)
5(2ab + 4)
2(5ab + 10)
10(ab + 20)

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?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

What is the graph of the function fx x+2/x-3?