Naomi used a rectangle a square and a right triangle to form figure. What is the area of the shaded region of the figure in square centimeters

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?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?