An antenna stands on top of a 100m tall building. From a point on the ground 50m from the base of the building, the angle of elevation to the top of the antenna is 58°. Find the height of the antenna.

Which of the following graphs represents the function f(x) = 2^x

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

How to simply and write the answer n a whole number