According to one source, the answer is "C. Randomly select and replace a donut 72 times. Then, observe how close to 18 times a glazed donut is drawn. "
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As per this theorem the two triangles are congruent if two angles and a side not between these two angles of one triangle are congruent to two corresponding angles and the corresponding side not between the angles of the other triangle.
Answer:
1.60 
Step-by-step explanation:
Assuming that this is a cylindrical pipe, the area can be determined by applying the formula for calculating the area of a circle.
i.e Area = 

So that,
for the inner part of the pipe,
r = 
= 
= 2.5 feet
Area of the inner part of the pipe = 

= 3.14 x 
= 19.625
Are of the inner part of the pipe is 19.63
.
Total diameter of the pipe = 5 + 0.2
= 5.2 feet
r = 
= 2.6 feet
Area of the pipe = 

= 3.14 x 
= 21.2264
Area of the pipe is 21.23
.
Thus the cross sectional area = Area of the pipe - Area of the inner part of the pipe
= 21.2264 - 19.625
= 1.6014
The cross sectional area of the cement pipe is 1.60
.
Answer: 2 hours
Explanation: As Jenny left the hospital 3 hours before Kristin and was travelling at 30 km/hour she should have gotten 90 km before Kristin started driving. As Kristin was travelling at 75 km/hour she will get 45 km closer to Jenny every hour (30-75= (-45)). 45 km/90 km= 2 hours to catch up.