Answer:
-4x + 12 = 20 is incorrect. she added 12 to 20 instead of subtracting 12 from both sides.
Step-by-step explanation:
It should have been, write problem
-4(x - 3) = 20
Use distributive property.
-4x + 12 = 20
subtract 12 from each side
-4x =8
divide each side by -4
x = -2
Answer:
2.2$
Step-by-step explanation:
Because 52.80 divided b 24 equals 2.2$
have a nice day! :>
Answer:
3
Step-by-step explanation:
We can use the slope formula:

Let's let (11,8) be x₁ and y₁ and let's let (17,26) be x₂ and y₂. So:

Subtract:

So, our slope is 3.
And we're done!
Answer:
No, it is a binomial.
Step-by-step explanation: