What is the sum of the lengths 3 km and 639 m

Ally brought 1/2 pound of cashews 5/6 pound of granola. plot the fractions on the number line. which quantity is greater? explain.

An airplane flies 600 km in 1 hour. What is it's average speed in kilometers per hour.

Uno de cada 8 frutos es naranja Cuantas naranjas habrá aproximadamente en una canasta de 400 frutos?

A water district has been charging its customers a flat rate of $3.25 per HCF. Because of a drought emergency, it is instituting a block rate of $3.60 for the first 20 HCF and $4.85 for the next 40 HCF.

What is the constant term in the expression 8xy - 9x^2 y - 5x + 6?

A certain forest covers an area of 2500 km2. Suppose that each year this area decreases by 5.25%. What will the area be after 15 years? Use the calculator provided and round your answer to the nearest square kilometer.

Use the formula V = s³, where V is the volume and s is the edge length of the cube, to solve this problem. A cube-shaped container has an edge length of 23 feet. What is the volume of the container?

Dimitrus returned 5 library books last week, returned 3 books this week, and then checked out 8 more books. He now has 12 library books. How many books did he have before last week

Robin used 1/4 of a pound of butter to make a cake. Before she started, she had 7/8 of a pound of butter. How much butter did Robin have when she was done baking? Give your answer as a fraction of a pound.

The height of a building is 1734 ft. How long would it take an object to fall to the ground from the top? Use the formula s equals 16 t squared , where s is the distance, in feet, traveled by an object falling freely from rest in t seconds.