Find the present value pv of the given investment. (round your answer to the nearest cent.) an investment earns 2% per year and is worth $20,000 after 20 months.

Three coins are flipped. what is the probability that there will be at least two tails?

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?

Given abcd ac=38 and ae=3x+4 find the value of x