Sophia sells makeup brushes for b dollars. For her holiday sale, she marks them down by 25%.
Which expression represents the sale price?

A- 1.25
B- 1.75
C-0.25
D- None of the above

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