Answer:
11%
Step-by-step explanation:
We have been given that
Principle = Rs 2350
Time = 2 years
Total amount = Rs 2867
Therefore, Interest earned is given by
I = Total amount - Principle
I = 2867 - 2350
I = Rs 517
Formula for simple interest is

Therefore, annual rate of interest is 11%
Answer:
a_23 = 5
Step-by-step explanation:
The row is the first number so in a_23 The row is a 2
The column is the second number so the column is 3
The second row is 3 9 5 1
The third column number would be 5
The answer is a
Answer is d
it would be b^12
There's a special case of the quadratic formula called the Shakespeare Quadratic Formula (2b or -2b) that applies when the linear coefficient is even.

If you're planning on solving a lot of quadratic equations quickly, it's good to know.
Here we have

so

