Perform the operation indicated, then place the answer in the proper location on the grid. write your answer in descending powers of a.

(a 3 - 2a + 5) - (4a 3 - 5a 2 + a - 2)

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

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?

How do you determine if an ordered pair is a solution to a given equation?