What is the volume of the right rectangular prism? a) 21cm^3
b) 42cm^3
c) 120cm^3
d) 240cm^3

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?