4/9 And 5/6. You Need To Multiply 4/9 x 2 To Get 8/18. Then 5/6 x 3 To Get 15/18.
Attached solution with detailed work.
Convert all to decimal
82%=0.82
86%=0.86
91%=0.91
74%=0.74
Add them
3.33
Divide by 4
3.33/4= 0.8325 will be your mean
Answer:
AB=21 miles
Step-by-step explanation:
Since it's a right angles triangle, we'll use Pythagoras theorem
HYPOTENUSE ²= base² + perpendicular ²
Where hyp=AB, base=16 and perp=13
AB²=16²+13²
AB²=256+169
AB²=425
Taking sq root.
AB=20.6 miles
AB≈21 miles
I'll give you an example
y= 2x+56a-16a+14x
y=16x+40a
you basically just do the letters that are the same together i hope it make sense to you