How do you do this function (t - 4)(t + 4)

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

X2 + y 2 = 36 x + y = 6 solve the system of equations.