7x - 1 + 6x - 1 = 180
13x - 2 = 180
13x = 182
x = 14
answer:
-1
step-by-step explanation:
Answer:
The last choice. The red one
Step-by-step explanation:
I'm just guessing at this point. But, by the looks of it, red does seem like it would be correct. Again, this is just a guess. So, if it's wrong I'm so sorry. Have a lovely day.
Answer:
It doesn't. x = 22 271 201
Step-by-step explanation:
You are going to need a calculator no matter how you do it.

(a) The direct method

(b) The indirect method

Answer:
2(10x10x10)
Step-by-step explanation: