Dr hong prescribed 0.019 liter more medicine than dr tannenbaum. dr evans prescribed 0.02 less than dr hong. who prescribed the most medicines? who prescribed the least?

See attachment below and find the equivalent of tan(∠qsr)

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?