Question

please help thanks

Answer 1

you are welcome now post the question

Answer 2

lol

Answer 3

sorry lol i couldnt find the pic

Answer 4

do you have answer choices

Answer 5

no

Answer 6

:(

Answer 7

@welshfella

Answer 8

that's the sum of the first 25 terms for the sequence which is arithmetic:-

the formula for n terms is

Sn = (n/2)[2a1 + d(n - 1)]

Answer 9

- where a1 = first term and d = common difference

Answer 10

here n = 25 , a1 = -7 and d = 5

Answer 11

1325?

Answer 12

@welshfella