B and C I believe .............
Answer: ummm
Step-by-step explanation:
Answer:
x = 5
y = 4
Step-by-step explanation:
multiply the second equation by -1 and add the first equation to eliminate "x"

_____________


Replace "y" in the first equation:




Hope this helps
Answer:
68
Step-by-step explanation:
I'm going to assume you meant "what is the value of f(g(-2))?"
g(-2) = 5(-2) + 4 = -6
f(-6) = 8 - 10(-6) = 68
X=3 or -3/4.<span>Îmi pare rău că nu mi-am arătat munca</span>