What is the square root of negative 4

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air