If four exterior angles of a convex polygon measure 50 degrees, find the measure of the fifth exterior angle.
-20 degrees
-50 degrees
-130 degrees
-160 degrees
i just want to understand how to do this : /

What is the distance between point a and b

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Item 1 which question could the expression 1000n answer? let n = the number of gallons of gas used. how many miles per gallon did the car get driving 1000 miles? let n = the number of grams of food needed for each dog. how many grams of food are needed to feed 1000 dogs? let n = the number of people at the show. how many empty seats were there at the show if there are 1000 seats at the theater? let n = the number of seats at the theater. how many empty seats will there by if 1000 people come to the show?