Answer: number of blue pen = 128
Number of pen in the box = 320
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
it should be 1. I believe this is the identity property.
Answer:
x=8
Step-by-step explanation:
set both equations equal to each other
x^2-3x-10=-2x=2
combine like terms
x^2=1x+8
x+8
Hope this helps!