PLEASE HELP Janet is selling lampshades at a craft fair. The price per lampshade in dollars is f(x) and it is a function of x, the number of ampshades bought, as shown by the graph below:

What is the total cost of buying lampshades from stall?

graph is in the photo^

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

What is the difference between the predicted value and the actual value

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?