Help. Thank you so much.

What is x and y intercepts for y=x+7

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.