A wooden board in the shape of a rectangle has a length that is twice its width. If the area of the board is 128 square feet, what is the length, in feet, of the board?

What is the marginal cost of producing a fifth soccer net? $1.00 $1.50 $2.00 $2.50 the chart says soccer nets per day 1 2 3 4 5 total cost $7 $9 $10 $11 $13 marginal cost $7 $2 $1 ? ?

We consume for various reasons. sometimes we buy in order to reduce suffering (medicine), or to give pleasure (movies), or to feel safer (a lock), to become wiser (education), or to be more comfortable (a chair). what is the one word used by economists that includes all these meanings? a. cost b. price c. demand d. benefit

The floor of a rectangular deck has a length that is 6 feet more than it’s width, x. hakeem is building the deck and decided to increase both dimensions by 3 feet. what is the new area, d, of the floor of the deck? a. x^2 + 12x + 27 b. x^2 + 9x + 18 c. x^2 + 9x d. x^2 + 6x