Acylinder has a raduis of 12 m and a height of 9 m. what is the exact volume of the cylinder

In the surface area formula for cylinders which expressionrepresents the lateral area

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits