For his exercise today, Khalifa plans to both run and swim. Let r be the number of laps he runs and let s be the number of laps he swims. Each lap he runs takes him minutes, and each lap he swims takes him 2 minutes. He wants to exercise for at least 45 minutes today. Using the values and variables given, write an inequality describing this.

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.

Which of the following graphs could represent a cubic function?

Asinusoidal function whose frequency is 1/6pi