Answer asap,
the graph below shows the height through which an elevator travels, y, in c seconds:
what is the rate of change of the relationship represented in the graph?

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

The table above shows approximate conversions from gallons to liters. what is the value of x?

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?