What is the domain and range of (-6,3), (-1,2), (0,3), (2,4), (5, -1)

What are correct trigonometric ratios that could be used to determine the length of ln

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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