What is the product of (3x+7) and (x-7) ?

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.

Nikolas calculated the volume of the prism. his work is shown below.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.