Brett mows 3 lawns each week to make money. he earns $15 for each lawn that he mows. which expression represents the amount of money brett has earned after w weeks? select each correct answer. w(3⋅15) w(3+15) 3w+15 15w+15w+15w

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

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

What is the surface area of the sphere?