What is 245 and 7/50 in decimal form

15 point ! ~ see if you know the answer to both you!

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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