If a ball is thrown upward at 128 feet per second from the top of a building that is 100 feet high, the height of the ball is given by S = 100 + 128t − 16t2 feet
where t is the number of seconds after the ball is thrown. How long after it is thrown is the height 100 feet?

step-by-step explanation:

mean or average is 40.6

your answer is -9

step-by-step explanation:

im guessing (23,14). hope this : )

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.