My teacher didn't explain too well on how to do this. I am confused on how to go about it. I know to draw a midpoint bisector but is that it or?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

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 are different types of statistical programs