Amy glued purple ribbon around the edge of her circular mirror. She used 63 inches of ribbon. This was just enough to go once around the mirror. What
is the approximate diameter of her mirror?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8