Pls help on question 18

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.