Select all equations that can represent the question: “How many groups of 4/5 are in 1?” (a) ?⋅1=4/5
(b) 1⋅4/5=?
(c) 4/5÷1=?
(d) ?⋅4/5=1
(e) 1÷4/5=?

Steve is scuba diving near his home in maui. at one point he is 100 feet below the surface. represent this number with a negative number. if he descends another 5 feet, what negative number will represents his.

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab