Arectangle with the area of 20 square feet has a length of 4 feet. what is the ratio of area to length? express it as a unit rate.

Which of the following expressions is equal to 2x^2+8

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.