You are buying pounds of almonds. the company charges a flat fee for shipping. george bought 4 lbs for $62 and 8 lbs for $110. write an equation that represents the total money spent for buying any number of pounds of almonds. write your final answer in slope intercept form. ,would like if someone would give me an understanding what slope intercept form is and flat fee.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.