What was swimmerr A’s average speed during the period 10 min to 20min?

Measuring your progress by weight (only)? a: the fit of your clothes b: bathroom scale c: body fat scale d: body fat caliper

In 1996 california legalized the medical use of marijuana, even though it was still illegal under federal law. californians angel raich and diane monson used medical marijuana that they grew on their own property. when federal agents destroyed their plants, monson and raich sued, claiming, among other things, that the commerce clause did not permit the federal government to regulate activities that took place in their back yards and homes. the federal government argued that since consuming locally-grown marijuana for medical purposes affects the interstate market for marijuana, the federal government may regulate—and prohibit—such consumption. whose argument should prevail?

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?