xavier thinks that the nth term for the sequence of numbers of grey squares is 4n-3. Is xavier correct

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

1. what is the measure of ∠abc? what is the measure of ∠abd?

Reflect the point (7,0) across the y-axis