3/7 + 2/7 as its simpliest form.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.