smith put some money in a saving certificate which earns 8% a year. the yearly interest in $600. how much did smith invest?

Find the greatest common factor of 28 and 35

Which shows the pre image of triangle xyz

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1