In 2000 the world's population was 6.08 billion and was increasing at a rate 1.21 each year. use the function to predict the population in the year 2020

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Pls the last one and it has to be like number 6