Apex. a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures.
Answer:
2(-2)-5(-2)+12
-4-(-10)+12
6+12
18
Step-by-step explanation:
Y= - 5x + 7
Use the point and slope to solve for b, which is 7.
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

By pythagorean thoerm u can find
Hy^2=length^2+base^2