Piper earns $10 every week walking dogs. She has a savings plan in which she saves $2 each week. How much will she save in 8 weeks?
$18
$80
$16
$20
The populations of three cities are 12,578, 12,534, and 12,509. Which shows these numbers in order from greatest to least?
12,534; 12,578; 12,509
12,509; 12,534; 12,578
12,534; 12,509; 12,578
12,578; 12,534; 12,509
Elijah has 40 pieces of paper. He takes 4 pieces. Then he hands 4 pieces to each of his classmates until they are gone. To how many classmates does Elijah give pieces of paper?
8
4
9
10
Christina has 12 pictures . Which describes one array Christina could make using all of her pictures?