Answer:

Step-by-step explanation:
Product of of 3 and b is 3b
At least means greater than or equal too.

Median = 15.5
Please take a look at the image attached for an explanation.
The answer is y=3x-6. (B). First you subtract 6x from both sides. Then you get -2y=12-6x. Now, you divide both sides by -2. This gets you the final answer; y=3x-6 or y=-6+3x.
3(5-2)
3x3 = 9
the answer is 9