3w + 8 - w = 4w - 2(w - 4)
2w + 8 = 4w - 2w + 8
2w + 8 = 2w + 8
0 = 0
Therefore, option b is an identity.
The 2 graphs on the left are exponential
The other 2 are linear
Step-by-step explanation:
4x-12<16+8x
4x-8x<16+12
-4x<28
x>-7
She is incorrect, the product will have 3 decimal places.