Answer: 112 pieces
Step-by-step explanation:
1. Rewrite
as a decimal. Divide the numerator and the denominator of the fractional part and add it to the integer part:

2. You know that each metal rod is 15 inches long. Then, you must divide the lenght of each one by 3.6:

3. The waste is 0.16, therefore, you obtain 4 pieces from a metal rod. The total pieces obtained from 28 metal rods are:

The area of the circle will be 28.27 km.
The answer is Tuesday there will be 15 teachers for 179 students and 12 times 15 is 180
The perimeter is just the sum of all of the side lengths.
p=3x+4+x-10+5x-2
p=9x-8