Find the formula, in standard form y=ax^2+bx+c for a quadratic that has roots at x = 7 and x = -5, and has leading coefficient of 1. Please helpp

For each proportion find the unknown number x 1/5/8=×/15

Can someone me out here number 4 plz

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit