Define a variable. then write and solve an equation to solve each problem

What’s the domain of this function? fastttt

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.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?