Is the relation a function? If it is a function state the domain and range of not circle the part the causes it to not be a function (1,-2),(-1,2),(-2,4),(1,3)

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Ten times the square of a non-zero number is eqaul to ninety times the number

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π