Answer: b
Step-by-step explanation:
Answer:
y = -6
Step-by-step explanation:
6 + 6y = -30
6y = -30 - 6
6y = -36
y = -6
Answer: The first option.
Step-by-step explanation:
1. The formula for calculate the perimeter is:
P=2l+2w
Where l is the lenght and w is the width.
2. The first perimeter is:

3. If you multiply the dimension by a scale of factor of 2, is the same as write the following expression:

Where
is the first perimeter.
4. Then:

Answer:
the answer is angle D'
Step-by-step explanation:
the second option