Can someone please help me with this question I’m really struggling

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?