Answer:
x=3
Step-by-step explanation:
Answer:
9 x 6= 9 x ( 3+3 )
= 9 x 3 + 9 x 3
= 27 + 27
= 54
Step-by-step explanation:
Answer:
(a)-4, -7, -10 and -13.
(b) -46
Explanation:
Given the sequence:

(a) The first four terms are obtained by substituting n=1,2,3 and 4 respectively.

The first 4 terms of the sequence are -4, -7, -10 and -13.
(b)t(15)