For this right triangle drawn on the coordinate plane what calculation could be used to find the length of a C?

What are “like terms”? why can we only add like terms?

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 is the lcm of 16 and 40 ? 24 and 40 ?