Dr. Silas studies a culture of bacteria under a microscope. The function b1(t)=1200(1 8)^t representsthe number of bacteria t hours after Dr. Silas begins her study. Answer A, B,C))[ Look at the picture] Will Mark Brainliest. And No Plagiarism please. Only answer if you know how to solve. Need to responses.

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so