Would you measure walls using inches or yards

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?