The answer is B(1,-2). This is the only point where the two lines intercept. & if you plug the numbers into the equations they fit.
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




Answer:
l × b is the correct answer for this question
Answer:
adding +2 on both sides to remove the -2 then it would be 2=0
Step-by-step explanation:
The correct answers are A and D