14/12 is 1.166666666666667 as in a fraction its 7/6
L=6w
70=2(l+w)
Use substitution
70=2(6w+w)
70=2(7w)
35=7w
w=5
Plug this in to the first equation.
l=6(5)
l=30
Final answer: length=30 m, width=5 m
Answer:
A. (±
)
Step-by-step explanation:
To find the value of x, you have to square both sides of the equation. 
cancels out to just 
, so you're left with 
±.
Answer:
i believe its the one with the dot at 2.6 for the square root of 7
Step-by-step explanation:
By making 80=2x+20 by corresponding angles in parallel lines you find x=30 because 2(30)+20=80
