In order to complete the following puzzle you will need to match the expressions that simplify down to the same answers. The code to unlock puzzle
two will be a six letter code in the order that the letters match to the numbers.
For example, if the expression that matches to number one is D, then the first
letter of the code is D and so on.

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

Solve: 3x+y=6 4x-2y=18 show all work !

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?