Which of these steps will eliminate a variable in this system 3x-3y=6 6x+9y=3 multiply the first equation by 2. then subtract the second equation from the first.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?