Answer:
a
Step-by-step explanation:
Answer:
4 - 7g
Step-by-step explanation:
Combine like terms: 5 - 9 - 7g = -4 - 7g (answer)
Answer:
21 cm
Step-by-step explanation:
The perimeter is the length of the outside of a shape. In this case, we can simply add up all the edges and multiply by .5(the length of one edge).
Horizontal Edges: 22
Vertical Edges: 20
Total: 42
Perimeter = 
The answer is 18
2 to the 3rd power would be 2*2*2 which is 8
8 x 4=32
32/2=16
16+2=18