Elaina misses 2 free throws for every 10 attempts. How many free throws can you expect Elaina to make if she shoots 15 free throws in a game?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

The surface area of the triangular prism is .

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.