A company makes pens. They sell each pen for $9. Their revenue is represented by R = 9 x. The cost to make the pens is $1 each with a one time start up cost of $5500. Their cost is represented by C = 1 x + 5500.

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?