Can i please get the answer to both of these and a short explanation? thank you guys so much

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second