We made 63 snowflakes to decorate the room we put 38 snowflakes on the windows in hen we decided to put 15 on the door how many snowflakes do we have left

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

What percent of the circle below is shaded?

Someone me i need with this stuff