Answer:
210
Step-by-step explanation:
a(b)(-c) (PLUG IN THE NUMBERS)
7(-2)(-15) (multiply 7*-2)
-14(-15) (multiply them together two negatives make a positive)
210
Answer:
C.7 weeks
Step-by-step explanation:
Subtract 60 on both sides then you get: 30w=210, then divide both sides and you get w=7, so it'll take 7 weeks
Your answer would be D) 3x + 6
This is because, when you subtract the like terms, you get x - -2x, which is 3x, and 1 - -5, which is 6.
I hope this helps!
Answer:
It's nothing I'm guessing
Step-by-step explanation:
If you have nothing and you divide it by nothing you still have nothing
Answer: the required answer is 1320
Step-by-step explanation:
Total people = 12
Different phone lines = 3
We will choose the person to answer the first phone in 12 ways.
Then choose the second person in 11 ways. (11 people left)
Then choose the third person in 10 ways. ( 10 people left)
The number of groups of 3 people can answer these lines
Hence, the required answer is 1320