Answer:18
Step-by-step explanation: pluging in -b/2a for first equation you get 3 plunging 3 in you get 6 solving for second equation you get -x^2+6x+3 pluging in -b/2a you get 3 then plugoing into equation you get 12 12-(-6)=18
A feature of every linear function is that the slope is the same no matter where you are on the line. When given a table of data that you suspect might represent a linear function the slope manifests itself as a constant common difference between successive y -values.
Answer:

Step-by-step explanation:
3 ÷ 2 1/3
2 1/3 can be written as 
Now we divide 3 by 7/3

Now we flip the fraction 7/3 and multiply with 3


We cannot simplify it
So 9/7 is the final answer
i think maybe ? x+20*2=5-2*x
Answer:
Hello! The answer to this problem is Length= 27 and Width= 8
Step-by-step explanation:
2(11+2x) +2x = 70
6x + 22 = 70
6x = 48
x = 8