What major should I pick and why? I'm in high school so I can try out majors and so this is really a test run. if I end up liking it I will continue it in college. and this has huge points because this is about my future so please don't write random stuff. and I'll give brainliest to best answer

Guys plz and say a best answer i will give 15 points how we should prepare for a scholarship exam

Which of the answer is a characteristic of what osha calls "permit-required confined space? "

Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.