The next term should be 15.
first ignore the 1st, 3rd, 5th, 7th term, they're just adding 1. and the other terms left are the multiplies of 3. 6,9,12,15...
(n+20)*2 = 99.2
distribute
2n + 40 = 99.2
subtract 40 from each side
2n = 59.2
divide each side by 2
n = 29.6
Answer:
The slope of the line is -3.
Answer: -77x^2 - 84x
Step-by-step explanation:
-7x ( 11x +12)
-77x^2 - 84x