Simplify the following number by using the imaginary number i square root of -19

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4