Answer:
432
Step-by-step explanation:
Subtract 515 from 947
Answer:
It's A my friend
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
If we set up the equation with the known info, we get y=3x+b
We can then use the ordered pair to plug in, so 8=12+b
Now, simply solve for B, and you get -4
Answer:
23
Step-by-step explanation:
f(x)=x^4+2x^2-1
Let x = -2
f(-2) = (-2)^4 +2(-2)^2 -1
=16 +2*4-1
=16+8-1
24-1
23