Solving systems of equations by substitution.
1. 2x+3y=1
-3x+y=15

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

X=4 / y=100 if x=10 then what is y=?

According to the diagram, an 8-foot-tall statue cast a shadow on the ground that is 15 feet in length. based on the information, which trigonometric ratio has the value 8/15