What's the area of the following triangle?

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

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

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great