For a physics experiment, students toss a basketball in the air from the top of a school building. they write the expression y=-16x^2+48x+56 to represent the hight, in feet, of the basketball after x seconds. based on the expression, what is the hight, in feet, of the school building?

Which expression is equivalent to sq-80

What is the range for 31,39,29,34,37,24,36,33,34,28

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?