David wants to but a game system and his favourite game. the game costs$25 and is 1/5 the price of the game system. how much does the game system costs?

15 point ! ~ see if you know the answer to both you!

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

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