Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Answer:
Big square - unshaded = shaded
((8+4)X(10+5))-(10X8)=100
Answer: 100
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
1 mile=63,360 inches
step 1
Find the circumference of the wheels

we have
-----> the radius is half the diameter
substitute


assume


Remember that
The circumference of the wheels represent one revolution
Convert 59 miles per hour to inches per minute

using proportion find the number of revolutions

therefore
substitute

Answer:
d. h(x) = 9x + 35, team with Gertrude
Step-by-step explanation:
Just took the test XD.
But also it is solved by simply adding 4x+20 and 5x+15
The roof is Approximately 7 inches wide because 756/108=7