Answer:
B, 7 3/20
Step-by-step explanation:
This is a mixed fraction because it has a whole number. The 7 is put to the side. The .15 is put over 100 and makes the fraction 15/100. This can be simplified into 3/20 by dividing by 5.
42.21 ft^2
The formula: A=1 /2b √ c2﹣b2
c=hypotenuse
b=base
1st One goes to the third one
2nd one goes to the 1st one
3rd one goes to the 4th one
and the 4th one goes to the 2nd one
