Answer:
No
Step-by-step explanation:
The change in the sequence is not consistent therefore it cannot be an arithmetic sequence.
Foil
15+6i-20i-8i^2
-8i^2=8
15+8+6i-20i
23-14i
Answer:
284
Step-by-step explanation:
You have to start out multiplying the (parentheses), then the [brackets], then the {curly brackets}. After you're done with those you would add 2.
Answer:
98. .
Step-by-step explanation:
.. If you look at it it looks like a 90 degree angle but the base is off so look at the one closest
3/(x +1) = 5/11
(x + 1)/3 = 11/5
x + 1 = 33/5
x = 33/5 - 1
x = 28/5 = 5 3/5