Approximately__ tons of LNG will be produced in may, and approximately 104,489 tons will be produced in___ Help plz :,)

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?

Which triangles are similar by the angle-angle criterion for similarity of triangles ?