The Tigers won 12 games last year. This year the Tigers won 20 games. What is the percent increase in the number of games the Tigers won from last year to this year?

What is the solution of sqrt x+2-15=-3

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827