Ali has less mass flying in a jet high above the earth than when she stands on the surface of the earth. true false

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

What is the length x of the side of the triangle below? (hint: use the cosine function)

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory