A is 90, B is 65, C is 49, and D is 4.
Let
be the side length of the small square. Then, the side length of the big square is
.
The respective areas are
and 
So, the sum of the areas are 
We have

We can't have negative lengts, so we choose 
So, the side length of the larger square is 6.
Answer:
There is no problem stated, but here is the x's for every equations provided:
Step-by-step explanation:
a.) x²+2=36
x²=34
x=√34
b.) 2x + 2 =36
2x= 34
x= 17
c.)2x=36
x= 18
d.) 2x+1=36
2x=35
x=35/2
Answer:
D) 11/3
Step-by-step explanation:
Let x represent monthly salary.
We have been given that for each month of a given year except December, a worker earned the same monthly salary and donated one-tenth of that salary to charity.
Salary earned in 11 months would be
.
Money donated in 11 months would be
.
Further we are told that in December, the worker earned N times his usual monthly salary and donated one-fifth of his earnings to charity.
Salary for December would be
.
Money donated in December would be
.
The worker's charitable contributions totaled one-eighth of his earnings for the entire year that is
.

Dividing whole equation by x, we will get:


Combine like terms:






Therefore, the value of N is 11/3 and option D is the correct choice.