Move all terms to one side
4w^2 + 49 + 28w = 0
Rewrite 4w^2 + 49 + 28w in the form a^2 + 2ab + b^2, where a = 2w and b = 7
(2w)^2 + 2(2w)(7) + 7^2 = 0
Use the Square of Sum: (a + b)^2 = a^2 + 2ab + b^2
(2w + 7)^2 = 0
Take the square root of both sides
3w + 7 = 0
Subtract 7 from both sides
2w = -7
Divide both sides by 2
<u>w = -7/2</u>
Answer:
The answer is B. No only Zack will finish.
Step-by-step explanation:
G should be the correct answer
Hope this helps!
Answer:
Total Cost = $1.47
Step-by-step explanation:
Length of the wooden board = 
Cost of the wooden board = $0.25 per foot
Total Cost = Cost per foot X Total Length in foot
= 
Total Cost = $1.47
