Which of the following correctly describes the domain of the function shown below? r(x)=2x/x^2-1
A. all real numbers
B. x≠1
C. x≠+-1
D. x≠0

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.