Simplify 1.567 + 2.345 - 1.83(5) will award 50 points

How many zeros does this polynomial function, y=(x-8)(x+3)^2

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)