PLEASE help i have tried to do this many times but still don’t understand

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%

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Which is the graph of this function 3 square root of x plus one if