(look at image) can i get help with this?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?