You must buy cupcakes and pizza for a party. each cupcake costs $2.50, and each pizza pie costs $9. you know that you need at least 10 pizzas so that each person can have at least 2 slices of pizza. in addition, you cannot spend more than $150. if you want to figure out how many cupcakes and pizza pies you can buy, what system of inequalities would you write?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)