Its B
All you have to do is subtract 10-12 = -2 and 2(5-6) = -2 how? Subtract 5-6 that will equal to -1 now -1 x 2 = -2
Answer:
3,262,680
Step-by-step explanation:
Hope this helps!
Answer:
22
Step-by-step explanation:
because if you divide 45 first it will be wrong so you must always first will the biggest number in your problem
As the sample size, "n", increases, the standard error of the mean becomes SMALLER.
Answer:

Step-by-step explanation:
This system of equations is convenient, because the second equation already expresses y in terms of x. Now, you can substitute that in.

Multiplying both sides by -1 and bringing the 5 over:

Combining like terms and factoring out 5:

Factoring:

Solutions: 
Hope this helps!