Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. she has 3 dishes of identical bacterium samples with 11 bacteria in each dish. she gives an antibiotic to all of the bacteria in one dish. all of the treated bacteria died, and the bacteria in the other two dishes survived. identify the sample size in the situation above. a. 3 b. 11 c. 33 d. 22

The parabola opens: y=√x-4 (principal square root) up down right left

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

What is the measure of ba (the minor arc) in the diagram below?