The sales tax rate in New Mexico is 5.125%. SELECT ALL of the equations that represent the sales tax, t , you would pay in New Mexico for an item of cost, c? t = 5.125c

t = 0.5125c

t = 0.05125c

t = c / .05125

t = 5.125/100 (c)

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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