Answer:
the second option is correct
x²+5x-49
Step-by-step explanation:
-7² -x+6x+x²
combine like terms
-x+6x is 5x
simplify -7² is -49
now rewrite the equation
300 cupcakes
y=2x+4
8=2(6)+b
8=12+b
4=b
7x - 5y = -5 this is the standard form
