please help me with this i asked last time but it didn’t some the important stuff so i’m just putting a picture ^

Solve the system of equations. y= 2x y= x^2 - 15

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Translate the algebraic expression shown below into a verbal expression. fraction with variable x in numerator and 6 in the denominator. the sum of six and some number the product of six and some number the quotient of some number and six the difference of six and some number