Answer:
18
Step-by-step explanation:
The value of n = 1 , 2 , 3. Find the first 3 term and add them.
3*1 + 3*2 + 3*3 = 3 + 6 + 9
= 18
I honestly don’t know but I really need this so I can get my answer as well , good luck though .
9) acute, right, obtuse
10) isosceles, obtuse
11) trapezoid
12) 360°
13) 100°
Answer:
in option B all the function is decreasing .thanks
Use the distrubution property and multiply -16 by -8s and 17.
128s-272