Math Help! Please Hurry!!!! I need it in like the next 5min!!!?

[eirinnrosekelley]

1. the square root of 50
2. 5 times the square root of 20
3. Solve x - 2x - 1 < 3
4. Transform this equation to slove for y: y + 5 = 2x
5. Can a right triangle have sides of length 1, the square root of 3, and 2? Explain.
6. The following (x, y) points represent the number of baked goods Tina orders (x) and the corresponding price in dollars (y). (2, 5), (4, 10), (6, 15), (0, 0) Does this set of points show direct variation? If so, what is the constant of variation?
7. 3x - 5 = x
Please hurry!