What are the steps to solve - 2n - (9-10n) ?

A rectangular goat pen has an area of 40 square meters. Its perimeter is 26 meters. What are the dimensions of the pen?

A cooking class want to use up 8 cups of buttermilk and 11 eggs by baking rolls and muffins to freeze. A batch of rolls uses 2 cups of buttermilk and 3 eggs. A batch of muffins uses 1 cup of buttermilk and 1 egg.

Two friends, 7 miles apart, start walking toward each other, and they meet in an hour. If one boy walks 1 mile farther in an hour than the other boy, how fast does each walk?

A racket and 4 birdies cost $13.75. The racket costs $5.50 more than each birdie. Find the cost of the racket.

We the People of the United States, in order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our

Find the domain of the composite function fog (x) if f (x) = 2x+1; g (x) = x + 4

Round to the nearest hundredth as needed what is 9*=46

Royce walks 3/4miles to school and 3/4 miles home each day. in how many days will he have walked 3 miles?

Find the area of a triangle with legs that are: 15mm, 10mm, 20mm

192192192 is what percent of 600600600?