÷34 = 20 rem 12 how do you do this problem

What is the area of the triangle 10 13 12

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?

How are algebraic expressions evaluated using substitution?