I believe the answer is D :)
Answer:
4.
a) 
b) 
5. Yes
Step-by-step explanation:
The distributive property is:

It can be extended to a lot of terms as well.
We will use this to multiply both of the probelms shown.
4 a)

The answer is 
4 b)

The answer is 
5. Yes
Answer:
5+3w
Step-by-step explanation:
make it braintliest please
Answer:
Step-by-step explanation:
Yes.
Since the universal set of rational numbers range from negative infinity of rational numbers to positive infinity of national numbers, then -3 is part of the of rational numbers set.
Answer:
3.2 units
Step-by-step explanation:
Since the perimeters of the rectangles are equal:
n + n + 0.6 = n +0.1 + 2n
2n + 0.6 = 3n + 0.1
0.5 = n
Left Rectangle:
2 (0.5 + 0.5 + 0.6) = 3.2 units
Since they have the same perimeter, the rectangle on the right also has a perimeter of 3.2 units.