Answer:
1. 
2 a) 
b) 0
3. x = 10
Step-by-step explanation:
1.

2. a)
![2 [(\frac{-1}{4}) -12 (-1)^2] - 5[24 +2 (-12)]^2\\2[(\frac{-1}{4}) -12] - 5[24 -24]^2\\2 * [(\frac{-1}{4}) -12] -0\\\frac{-49}{2}](https://tex.z-dn.net/?f=2%20%5B%28%5Cfrac%7B-1%7D%7B4%7D%29%20-12%20%28-1%29%5E2%5D%20-%205%5B24%20%2B2%20%28-12%29%5D%5E2%5C%5C2%5B%28%5Cfrac%7B-1%7D%7B4%7D%29%20-12%5D%20-%205%5B24%20-24%5D%5E2%5C%5C2%20%2A%20%5B%28%5Cfrac%7B-1%7D%7B4%7D%29%20-12%5D%20%20-0%5C%5C%5Cfrac%7B-49%7D%7B2%7D)
b)

3.

Answer:
I think the answer is B. $12.55
Step-by-step explanation:
14.50 - 6.95 = 7.55
7.55 + 5 = 12.55
She can walk 4.5 miles in 3 hours
Answer:
-0.3, -0.12, -0.03, 0.15
Step-by-step explanation:
-0.3 is the least because 0.3 = 0.30 and 0.30 is greater than 0.12, -0.12 is the second one because it is 0.12 behind 0 and is greater than -0.03. 0.15 is the last one because it is the only positive number therefore is the greatest one.
really hope this helps and isn't confusing but I'm pretty sure this is correct!
Answer:
A'(-3, 0) B'(0, -1) C'(1, -4)D'(-3, -5)
Step-by-step explanation:
You find each dot and move 2 squares left and 4 squares down.
You now find the first number by finding which x-values it is above/below on the x-axis (horizontal bold line).
Then for the second by finding which y-values it is beside on the y-axis (vertical bold line).