A company makes steel rods shaped like cylinders. Each rod has a radius of 2 centimeters and a height of 70 centimeters. How much steel will the company
need to make 243 rods?
Use 3.14 for , and do not round your answer.

How to solve a simultaneous equation involved with fractions?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit