Answer:
Step-by-step explanation:one of all
Answer:
-4
Step-by-step explanation:
2/5 times -10 = -4
It has to be C- addition and subtraction signs.
The first term a = 1,
Common difference, d: 7 - 1 = 6.
a(n) = a + (n -1)d,
For 30th term. = 1 + (30 -1)*6
= 1 + 29*6 = 1 + 174 = 175