Simplify the expression. 9x + 2y + 6 + 9y +7

what is the coefficient of y?

what is the constant?

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.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Maria solved an equation as shown below. what is the solution to maria’s equation?