Maria releases a javelin 1.5 meters above the ground with an initial vertical velocity of 22 meters per second. how long will it take the javelin to hit the ground?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

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?