Define a variable and write an equation to model the situation. Then solve. Of 630 students in a school, 270 went to the school dance. About what percent of the students went to the dance?

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.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Find the percent error of the measurement 4 cm