Answer:
D.
Step-by-step explanation:
In order to eliminate, the numbers must eliminate. If the second equation is multiplied by 3, then the 3 and the -3 can be eliminated. Since it is multiple choice, we can plug in x = 12 and y = 10 to see if they are correct. 12 + 30 = 42 and 24 - 10 = 14, so D is correct.
answer; you
Step-by-step explanation:
Adding all vakus in data set and divide by the number of values in the data set
The last expression: (16-8)x2+4=8x6=48
