7x-x=19-7
6x=12
x=2
Ask me if you have a question. Glad to help!! :))
Answer:

2)
3)
4)
Step-by-step explanation:
hope it helps
have a nice day :)
Answer:
*gives help*
:)
Step-by-step explanation:
Y = -1/4x + c
5 = -1/4 x 4 + c
5 = -1 + c
c = 6
y = -1/4 + 6
Answer: 94.5
Step-by-step explanation:
If average of 9 students is 94, their total will be 94x 9 = 846
If the 10th student scores 99, the new total is 846 + 99 = 945
So, the new average will be
945/10 = 94.5