Ice resurfacers are used for rinks of at least 1000 square feet and to 17,000 square feet. The price ranges from as little as $10,000 to as much as $150,000 a. Define the variables, and write a system of inequalities to represent this situation. Then graph the system. b. Name one possible solution. C. Is (15,000, 30,000) a solution? Explain.

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Which of the following graphs could represent a quartic function?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.