Perform the operation. (-10x^2+x)+(-2x^2+9x+7) (−10x 2 +x)+(−2x 2 +9x+7)

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.

Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?