The mean average temperature for Fairbanks, Alaska, is 23° F. The monthly average temperatures vary between 31.5° above and below this value. If t= 0 represents February, the phase shift of the sine function is 2. a. Write a model for the average monthly temperature in Fairbanks, Alaska. b. According to your model, what is the average temperature in September?

How to solve a simultaneous equation involved with fractions?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

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