Mathew knows that he will need to buy a new car in 4 years. the car will cost $15,000 by then. how much should he invest now at 10%, compounded quarterly, so that he will have enough to buy a new car?

Find the value of x for which the lines are parallel.

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

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?