Find a solution to the following system of equations. -5x+2y=9 3x+5y=7 a) (1, 7) b) (–1, 2) c) (–9, 7) d) (0, 1)

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

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? *

Find the axis of symmerty for x y=x squared -4x-8