A snowmobile manufacturer claims that its newest model is 25% lighter than last year’s model. If this year’s model weighs 900 pounds, how much did last year’s model weigh?

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?