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abdu35189

Answer:

question 1 answer:

nth term is =7n+6

9th term means n=9

So the 9th term is =7*9+6=63+6= 69.

question 2 answer: 2−4+3

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LazyBun
Answer:

Explanation:

Q2:
(x - 1)(x - 3)
= x^2 - 3x - x + 3
= x^2 - 4x + 3

Q19:
x/3 + 10 = x+2
x + 30 = 3x + 6
x - 3x = 6 - 30
-2x = -24
x = 12