What doesn't the law of cosines reduce to when dealing with a right triangle

The food stand at the zoo sold 2,514 pounds of hamburger last month. The average cost a pound of hamburger $2. Jeremy estimates that about $6,000 worth of hamburger was sold last month.

8 times what gives me 16

The mean of 100 scores is 84. If each score is increased by 2 then what is the new mean?

Leah buys 32 strips of ribbon. Each strip is 11.2 inches how much ribbon does she have?

If B=A, where on the number line will B appear

What's 6 and 2/3 - 4 and 1/6. Six and Four are whole base numbers!

What would be the total area of a piece of land that was made up of three squares that each has a side length of 4x-2?

The area of a certain desert (Desert 1) is nine times the area of another desert (Desert 2). If the sum of their areas is 40,000,000 square miles, find the area of each desert.

Find the range of the relation: { (-9, 7), (-1, 0), (1, 5), (-5, - 3) }

Factor the expression w^2-7w-8