What is the first term in the pattern with formula 20 · 5n – 1?

a.0

b.20

c.25

d.100

What is the first term in the pattern with formula 20 · 5n – 1?

The first term in the pattern is B.20.

In a sequence, the format would be:
first term * common difference(number of term - 1)

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.