A virus has infected 300 people and grows at a rate of 21% per week a. Write a function showing the number of people infected after t weeks.
b. How many people are infected within one year?
c. What is the doubling time (in weeks) for this virus? (How many weeks does it take to double?)

For which rational expression is -2 an excluded value of x?

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school