HELP QUICK! worth extra points

Are the corresponding angles congruent? explain why or why not.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.