I have Books A Million coupon for 15% off I buy $40 with a Books after the discount is taken off I have to pay 7% sales tax to Indiana what is my final total

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.

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?