Nada and Emily each put the same amount of money in a new bank account. Emily's account earns 2.5% simple interest, and she earned $2.75. Nada's account earns 4%
simple interest.
1. How much interest did Nada earn in her account after 1 year?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Factor the following expression completely 6x^11-24x^7

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. if each team must have the same number of girls and the same number of boys, what is the greatest number of teams that can participate in intramurals? how many girls and boys will be on each team?