Which of the graphed systems share the same solution set?

What situation is an example of an observational study

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?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.