Which of the quadratic functions has the narrowest graph? y=1/3x^2 y=−3x^2 y=1/7x^2 y=−4x^2

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?