homework question

A patient weighs 27 kg and is prescribed a medication with the dose range of 20-30 mg/kg/day divided into three doses. How many milligrams can the patient take per dose?

What is the smallest number of cheques needed to settle the following debts, if all debts are paid by cheque? Ann owes Penny $20.00 Penny owes Mary $40.00 Mary owes Claire $60.00 and Claire owes Ann $80.00 Does anybody know the answer. Thank you, Frankie

A forensic psychologist is often hired by the defense or the prosecutor to look at jury selection. What would this psychologist be looking for during voir dire and in his or her investigationsof the jury pool? Why would the items being investigated be important to the defense (or prosection)?

Why are the presidents of the united states is the leader ?

Hi I'm new to this website nice to meet you, I rele need help on this it rele confuses me and seems very difficult so can you help me out? -3=2m-3n 2m+n=-15