Dry ice is carbon dioxide in a solid state. Its freezing point is –79°C. You use dry ice to freeze liquid mercury that is at room temperature, or 22°C. How many degrees Celsius does the mercury need to drop?

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Which of the following represents the length of a diagonal of this trapezoid?