How many real solutions does this system have ?

y= x^2-2

y= x-6

A. 3

B. 1

C. 0

D.4

Please use this google drive link to download the answer file.                                

https://drive.google.com/file/d/13n-zC-XQFlB9ZIbIIzEaPrn-xRsSeg_3/view?usp=sharing                                

Note: If you have any trouble in viewing/downloading the answer from the given link, please use this below guide to understand the whole process.                                
                                
https://helpinhomework.org/blog/how-to-obtain-answer-through-google-drive-link