Answer:
We have the equation

we leave the terms with x on the left side of the equation and the independent terms on the right side.

resolving for x we have that

Since we need that the equation doesn't have solution, then it is necessary that the denominator of x be 0 and this occur when 
Then, for
the equation hasn't solution
The area of the circle will be 28.27 km.
Answer:
46% of Xander's friends prefer to stay home on Friday nights.
Step-by-step explanation:
Formula

As given

i.e
Zanders friends prefer to stay home on Friday night = 23
Total numbers of Zanders friends are 50.
Part value = 23
Total value = 50
Put in the formula


Percentage = 46%
Therefore 46% of Xander's friends prefer to stay home on Friday nights.
Answer: 5 ways
Step-by-step explanation: