D. 21cm because you divide all sides by 2 then get your slope form and multiply by seven
I do know the bottom one is 2.8
Top is 1.6
I don’t know the middle one
Answer:
x=10
Step-by-step explanation:
To do this subtract 2 from each side of the equation to get y = -5, so the value of y in this is -5. Hope this helps!
(x-2) + (x-1) + x + (x+1) + (x-2) + (x+3) = 447
6x + 3 = 447
6x = 447 - 3
6x = 444
x = 444/6
x = 74