Answer: it’s -2,-4
Step-by-step explanation: since the dilation rule is 2/3 we take 2/3 of all the numbers. For example we took two thirds of -3 to get -2.
Answer:

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

For number 2 it's would be 12.8
Sorry I don't have time for number 3
Answer:
x = 25
Step-by-step explanation:
x + 25 + 2x - 10 + 90 = 180
3x + 105 = 180
3x = 75
x = 25