Kristin is using paper for an art project that is 0.025 mm thick. If she glues a layer of the
paper onto a construction board with a
thickness of 74 x 10-2 mm, what will the total
thickness of the paper and the construction
board be? Write your answer in scientific
notation.

Ineed with this. the figure is made up of a square and a rectangle. find the area of the shaded region.

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?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?