Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
- 2x + 3y = 7
- 4x + 9y = 27

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.