Answer:
y=-1/2x-2
Step-by-step explanation:
Will its 12.75 because you add 3+9 =12 and you just put the 75 that's it
Answer:
2205
Step-by-step explanation:
You simply do it the same way as a positive number, just with a negative sign in front :)
Answer:
10 cm!
I think...it's really basic math so...maybe?