So I have a math question that says "The next model of a car will be 11.1% less than the current model that costs 51,000. What will be the price decrease in dollars and the price of the next model?" I'm quite stumped on it so any help would be greatly appreciated!

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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

The anwser cause i do not understand just plez