The phrase "twice the sum of a number and three" can be written as which variable expression? a. 2n + 3 b. 2 + (2n + 3) c. 2(n + 3) d. 2(2n - 3)

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

What is the slope of the line (-7,2) (4,6)

Simplify using positive exponents only.