How do i find the answer to this? can anyone help me?

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

Amath test has a total of 20 problems some problems are worth two points and some are worth three points the whole test is worth 452 points how many three-point problems were there

We can measure temperature in two different common units: degrees celsius and degrees fahrenheit. the variable f represents the temperature in degrees fahrenheit that is equivalent to c, the temperature in degrees celsius. f=32+1.8c what is the temperature increase in degrees fahrenheit that is equivalent to a temperature increase of 10 degrees celsius?