Suppose y varies directly with x, and y = 40 and x = 5. What is the value of y when x = 2? A)
200
B)
16
C)
10
D)
2/5

What situation is an example of an observational study

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?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t