Answer:
The temp got colder by -1
Step-by-step explanation:
The difference of -3 to -4
-4 + -3 = -1
Answer:
(x + 2)^2 + (y + 2)^2 = 16
Step-by-step explanation:
The area of a triangle is 180
Answer: 
Step-by-step explanation:
To solve the exercise you must apply the following proccedure:
- Apply the distributive property.
- Keep on mind that when you multiply two powers with equal base, you must add the exponents.
- Add like terms.
Therefore, you obtain the following product:

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