24. daniel bought a new car for $15,000. he also paid two fees for the car dealership: • $450 for an extended warranty • $275 for a stereo upgrade in addition, he paid sales tax, which was 8.75% of the total cost, including the purchase price and fees. daniel initially gave the dealership 8% of the total amount, including sales tax, as a down payment. what was the amount of the down payment?

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