Sandy is working with a carpenter to frame a house. they are using 8-foot-long boards, but each board must be cut to be 7 feet, 10 three fourths inches long. how much is cut off each board?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Will mark brainliest! ( explain the answer too, it can be one sentence)