I am really not sure how to solve this problem even after thinking about it for a while
For all positive x, log4(x)/log2(x)= ? (4 and 2 are the log bases)
A. log2(x)
B. log4(2)=1/2
C. log2(4)=2
D. log4(x)-log2(x)
E. (1/2)log4(x)
My teacher also gave me a hint that it is something related to change of base rule.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors