Kim is completing a 40 mile bicycle race she completed 65% of the race how many miles are left?

Can someone check my answer? you : )

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet