Can you do questions 3, 6, 11, and 12 please? Please explain how you do them too...

3. d = -1

6. x = 5

11. y = -1/6x+2

12. y = 9x-12

Step-by-step explanation:

Attached a picture showing the work for the problems, if you need any additional help, let me know.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

It is 2 out of 8 she will pick green and 3 out of 7 she will pick green but red and green would be 5 out of 5 so 50% chance