The triangle shown below has an area of 25units^2 . find the missing side

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2