The answer is the last one
-4.2 x + 3 = -1.2x and 2.5x - 6 = -3.5 x
Answer:
The answer could be 0 or 1 out of 4, because choosing a card at first and not putting it back, then picking a second card at random, it would likely be one in zero attempts to pick 3 again but otherwise that it could be 1 out of 4 because it could be possible picking 3 at the first try.
Answer: x=15
Step-by-step explanation:
15×2=30+6=36
