Answer:
See Explanation
Step-by-step explanation:
The question is incomplete, as there are no options to select from.
However, a general explanation is as follows.
Given

Required
Is
a correct expression?
Let


So:

becomes


Divide both sides by 2

Hence:
is incorrect
Answer:
310
but it doesnt show as a possible answer from your list
Step-by-step explanation:
5x60 is 300
then add 10 to 300
you get 310
Answer:
(-2,1)
Step-by-step explanation:
I know
I do not know the decimal, but I know the ratio. 7/50. I am not positive about my answer as a decimal but I think it is 7.50.