3x+4y =-5
3x+3y=-2

solve using substitution

Which of the following is true for the relation f(x)=2x^2+1

Can someone tell me if this is perpendicular? !

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation