2x-3y=12
x=4y+1 how do you do this equation?

Which math sentence can be used to determine if the triangle is a right triangle?

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? *

Is a square always, sometimes, or never a parallelogram