Answer:
8.75
Step-by-step explanation:
5x = x^2 + 4
x^2 - 5x + 4 = 0
(x - 4)(x - 1) = 0
x = 4, 1
(x + 6)^2 = 100
x + 6 = +/1 sqrt100
x + 6 = +/- 10
x = 4, -16
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
******************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
It is B or 2. Hope this helps
Answer: The required value of y is 19.
Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :

Comparing equations (i) and (ii), we get

From equation (i), we get

Thus, the required value of y is 19.