(4th TIME REPOSTING!!!) PLEASE HELP WITH THIS QUESTION WILL GIVE BRAINLIST AND EXTRA POINTS TO BEST ANSWER
A scientist has 6 to the power of 18 cells in a container. She expects the number of cells to triple in one day. How many cells will the scientist have after one day?

explain your reasoning.

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?