Answer:
(-2.5,1)
Step-by-step explanation:
hope that helps
Random sampling. its where you pick or make a smaple at random
Not always if you're saying it will always be something like 1/2 becomes 2/1 with a unit of one. It's just flipped, so 2/6 will be 6/2, 4/5 becomes 5/4, 22/16 becomes 16/22 etc. That is all there is to it. Make sure you simplify your answers.
It's b 240000
I'm sorry if wrong I'm not too good at these things