Answer:
B
Step-by-step explanation:
2y=-3x+6
y = -0.5x + 3
this is a function because it is a linear equation that isn’t undefined
Answer:
x=-2
Step-by-step explanation:
hope this helps
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It would be a lot better if you zoomed in for these since it’s nearly impossible to read.
Answer:
The child needs a score of 37.2 to move up to the next level of the competition.
Step-by-step explanation:
The mean is the sum of all scores divided by the number of competions. So

In which S is the sum of all her scores and T is the number of competitions.
The child has five competions:
Which means that 
She has to get a mean of at least 36.5, so 
Her scores are: 35.5, 36.3. 36.6, and 36.9. Her last score, i am going to call x. So

The child needs a score of _____ to move up to the next level of the competition.
This score is x. So




You just need to solve for when
:





where
is any integer. We only care about when
, which happens for
.


