Pick two integers a and b and two positive integers p and q. On a coordinate plane, draw the rectangle with vertices A(a, b), B(a+p, b), C(a+p, b+q), and D(a, b+q).

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?

Plz hurry evaluate the expression a+b where a=8 and b=19

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?