Tamara purchased 31 cases of tile to use on her bathroom floor. she used 17 cased in her upstairs bathroom and the rest in her downstairs bathroom. write an equation to express how many cases she used in her downstairs bathroom.

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.

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25