What is the simplified form of 10000x^64

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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 california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3