Which statement is true about the product square root of 2(5 + square root of 8)?

it is rational and equal to 7.

it is rational and equal to 9.

it is irrational and equal to 4 + square root of 10.

it is irrational and equal to 4 + 5square root of 2.

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.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

How are algebraic expressions evaluated using substitution?