There are 4 types of questions on Mrs. Harrisons' Reading final exam. The percent of each type of question is shown in the graph. If her exam has a total of 30 questions, which statement below is NOT supported by the information in the circle graph or pie chart?

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