-4x + 3y - x - 2y + y

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)