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Answer:
26
Step-by-step explanation:
X= Variable has the worth of zero
2x+5= 7
10x+9= 19
19+7=26
The distance is 26
Answer:
0
Step-by-step explanation:
The formula gives you a relation between S and n. For every n, you can perform the calculation and obtain an S.
So, for n=0 we get 0/2 (0+1) which equals 0. So (0,0) is an (n,S) pair.
The two in the middle. B and C, I guess.