6x+5y=1 18x+15y=3 is it a no solution or infinite solution

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

How many grams the dog will eat in 3 days?