Answer:
first one is A and the second one is B.
Step-by-step explanation:
Answer:
I don't know llllllllllllllllllllll
What I did is to add 0.52
+0.15
then try to find what could equal the same amount with 0.52
Step-by-step explanation:
First term(a) = 1
Common difference(d)=2-1=1
No.of term(n)=50
Sn=n÷2(n+1)=50÷2(50+1)=1275
