A 0.5 kg bird is flying at 7 m/s while being 110 meters up in the air. Calculate the bird’s total mechanical energy.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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?

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°