Answer:
x=-16
Step-by-step explanation:
6x - 2y = 14
-7x + 2y = 2
Answer:
1,099.88
Step-by-step explanation:
Just add everything to get that.
A census is where you poll everybody; a sample is where you choose a group of people to poll. Taking a census is inefficient because you can get almost completely accurate information from a large sample, but a sample would take significantly less time than a census since you wouldn't have to poll absolutely everybody in a population.
For the last one is the pi sign and 2.333
Answer:
Domain is the set of inputs that will give you a defined output.
In example, f(x)=5/x, the domain would be all real numbers except for 0, because if it would be 0, it would be 5/0 which would be undefined.
Range is the set of outputs that are possible.
In example, f(g)=g(0), the range would be 0.