Abacteria population increases every hour. at 12 p. m., there are 5 cells. at 1 p. m., there are 10 cells. at 2 p. m., there are 20 cells. at 3 p. m., there are 40 cells. if this pattern continues, how many cells will there be at 7 p. m.? explain. me quickly

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?