Rewrite this number in appropriate scientific notation 50.91

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.