How many pps can i shove in my mouth if my my is 4 inches side to side and 3 inches up and down. when all the pps are 7 inches

Whats the name of the vertical axis

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%

If the value of cos330°is√3/2 then find cos 165°.