Answer:
a. addition property of equality
Step-by-step explanation:
2x was added to both sides
It depends what type of shape it is if it were a rectangle it would be l x w x h but what a see is a 6 sided figure so it should be a hexagon but a hexagon has all equal sides so it would depend what type of shape it is
Answer:
42
Step-by-step explanation:
6 faces to a cube
each face has area of 7
6*7 is 42
Answer: The answer is 1,600.
Explanation: since her back yard is a square that means it has 4 sides, and her yard is 400 sq ft. So you multiply 400 by 4 which equals 1,600. I haven’t done this in a long time so I’m not positive. But that should be it.
Answer:
The expression was rewritten using the associative property. (6·3) · 2 equals 18 · 2, which equals 36.
6 · (3·2) equals 6 · 6, which equals 36.