The answers are D:Rectangle, and B:Parallelogram
Hi :)
Let's remember some arithmetic w/ negative integers :
a+(-b)=a-b
a-(-b)=a-b
Now
8-(-9)=8+9=17
So the answer's 17
I hope this helps
Answer:
83
Step-by-step explanation:
1∇2= (2+2^1)
=2+2=4
(4)∇3= (2+3^4)
=2+81
=83
Answer:
Step-by-step explanation:
common difference=3
-54/-18=3
-18/-6=3
-1296 = -2(3)^5-1
-7776 = -2(3)^6-1
-46656 = -2(3)^7-1
ans. = first term (difference)^n-1