A single celled bacterium divides every hour. The number N of bacteria after t hours is given by the formula log2 N = t. After how many hours will there be 128 bacteria?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2