Break apart the addends to find the sum 18+21

If 540 million metric tons of carbon dioxide is released in the air per year and 35% of it is from other fuels, how much carbon dioxide is emitted?

Which dimensions cannot create a triangle? three angles measuring 10°, 25, and 145º three sides measuring 9 m, 15 m, and 9 m three angles measuring 40°, 70°, and 65 three sides measuring 6 cm, 8 cm, and 10 cm

Explain how to identify the terms of 3y - 4 - 5y

There are 111guest attendinh a party. There are 15 servers. Each sever has the same number of guest to sever. Jess will serve any extra guest. How many guest will jess be serving

Joe walked 2 1/2 miles in 30 minutes. How fast does he walk for miles per hour

4. Original Price: $185.00 Decrease by 45% Final Price: how do I figure this out using proportional reasoning

The list of ordered pairs below represents a relation. { (-6,10), (-5,4), (-1,-9), (9,-4) } Find the range of the relation.

How to do number lines

John has 7 apples and then he gives 3 to his friend. How many apples does he have? Mutlipy by 2

Evaluate the expression. 4 5 + 3 5 - 2 5 : 1 3 Write your answer as a fraction or as a whole or mixed number.