Please help ! Given m || n, find the value of x. (9x-7)°=(7x3)° … I don’t understand this I’ll love the help. From anyone. Thank youu

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

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?