Blob:chrome-untrusted://media-app/7 07b9076-241a-417e-bebc-ca9c8ee069b9 sorry i don't look the best today but could y'all rate me 1/10 plz

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *