If side BC is labeled 15 cm, and NL is labeled (x + 8), what is the value of x?

7?

Step-by-step explanation:

I hope this is correct and it helps!

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

6.25 grams

step-by-step explanation: