Answer:
7) is 625
8) 169
9) 1.44
10) 180??
11) 1000000
12) 3430
hopefully these are right
Step-by-step explanation:
Answer:
The radius of the oil spill growing at 2 feet per minute
Step-by-step explanation:
Area of a circle is

Differentiating A with respect to r,

When
,


The rate of growth of the spill is

This is equivalent to



The first from right 8*3=24
72*3=216
216*3=648
648*3=1944
1944*3=5832
1 US dollar= 1.18 Canadian dollars
1 Canadian dollar= .85 US cents
$460 Canadian Dollars= $390.33 US Dollars
The percent is 4, because 4*1/6=2/3.