Answer:
Step-by-step explanation:
-k - ( -8k + 7)
negative sign is outside the parenthesis. so it should be multiplied with -8k and 7
-k - (-8k + 7) = -k - 8k * (-1) + 7*(-1)
= -1k + 8k - 7
Now -k and 8k are like terms. So, combine them.
= 7k - 7
Answer: it’s a
Step-by-step explanation: took the test got it right
1,000,000,000+ 0+0+0+0+0+0
Answer:
b
Step-by-step explanation:
Answer:
Other-128sq units
Step-by-step explanation:
- Divide the polygon into two parts
- Then multiply them separetly
- 14×4=56
- 18×4=72
- Add them together
- 56+72=128
- 128 square units