This time, give your coaster an extra rise and fall!

make the coaster cross at x = 300 and 700.

make sure that it rises before it drops.

What is the difference between regular convex and concave polygons

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How to find the exponential function y=ca^x, with points (1,2) and (2,1)