My mom has 3 marbels and my dad has 4 marbeles how many marbeles do the have together

Which function has the same domain as y=2x

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path