Which polygon has four sides, two sets of parallel sides, and sides that are not all equal?

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

On a architect's drawing of a house, 1 inche representa 1.5

How many $20 bills do you need to have to make $280