a square figure with side 4 ft has a semicircle with radius 2ft at the top what is the perimeter of the figure ? what formula should be used ?​

How many degrees does the hour hand move from 3: 00 to 5: 30?

What is an equation of the line that passes through the point (-2,3) and is parallel to the line whose equations is y=3/2x-4? i am stuck between y=3/2x or y=3/2x+6 : (

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80