A certain forest covers an area of 4900 km . Suppose that each year this area decreases by 6.5%. What will the area be after 8 years? Use the calculator provided and round your answer to nearest square kilometer.

Find the domain of the following expression: 1/(√x)-2

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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