A strep culture containing 20 bacteria triples in population every hour. Predict the number of bacteria after 8 hours.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Which of the following can be used to explain a statement in a geometric proof?