Answer:
D . 9 .1/13
Step-by-step explanation:

The equation is actually
circle area = PI * radius^2
radius = square root (area / PI)
Answer:
541.5
Step-by-step explanation:
100% = 570
10%= 57
5%= 28.5
100% (570) - 5%(28.5) = 541.5
Answer:
<em>7.2 miles</em>
Step-by-step explanation:
Janet hikes a trail 3.6 miles long each day. Considering the forth and back path, she trails 2*3.6= 7.2 miles.
Since she has hiked 5 days in the past week, she has hiked 5*7.2 = 36 miles.
The question does not specify if the path back is to be considered. If not, then the total distance traveled is 3.6*5 = 18 miles.
Answer:
4a-3 when a=6 = 21
Step-by-step explanation:
4*6-3
4*6=24-3=21