Answer: I think b but don’t take my word
Step-by-step explanation:
Chart;the answer is b
and it makes sense answer is ; also b
Answer:
The formula to find the sum of the first n terms of our sequence is n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1. The n stands for the number of terms we are adding together.
Answer: 91
Step-by-step explanation:
95 - 4 (That he gave to Harry) = 91
Hope this helped!
Answer:
-21
Step-by-step explanation:
I assume this is a 2 by 2 matrix.

determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21