True, all of them represent a negative number, for example:
You have $60 and you spent $10, the remaining money is:

Your savings are $1000 and you make a Withdrawal of $500:

In other words for calculation purposes, they all have negative values
Answer:
all real numbers greater than or equal to 2
which is [2, infinite)
Answer:
380/week
Step-by-step explanation:
all u do is 1520 divide by 4 (bc he makes 1520 in 4 weeks) and that would equal 380 per week.
hoped that helped:P
Answer:
its 3:5
Step-by-step explanation: if you don't see the answer talk with your teacher because I did it and I got 3:5