Answer:
2(x-y) and 2x-2y are equivalent.
Step-by-step explanation:
To figure out 2(x-y) and 2x-2y, you can apply the distributive property on

to get:

Or we can factor

to get:

This implies that, the two expressions are equivalent.
Answer:
1 cubic cent
Step-by-step explanation:
Cause the volume of a cube is V^3. So, 1x1x1 = 1
9514 1404 393
Answer:
61.4
Step-by-step explanation:
The length of two semicircles of diameter 10 is the circumference of a circle of that diameter:
C = πd = 10π ≈ 31.4
The perimeter includes that length plus the lengths of two straight sides that are 15 units each.
P = 31.4 + 2×15
P = 61.4 . . . . units