A citrus farmer has observed the following distribution for the number of oranges per tree. The farmer expects 43 oranges per tree on average. What is the standard deviation for this distribution?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What is x and y intercepts for y=x+7

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.