Can someone me with this question? : )

What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?

Naomi draws a portion of a figure as shown she wants to construct a line segment through r that makes the same angle with qr as pq what figure shows the next step to construct a congruent angle at r

The weight of a rock sample is measured to be 2.5 ponds. what is the percent of error in the measurement?