D.) -3/4
Step-by-step explanation:
To find the slope given two points
m = (y2-y1)/ (x2-x1)
 = (-2-1)/(1--3)
 = -3/(1+3)
 = -3/4
1gm = 1000mg so 0.1gm = 1000mg
first, convert the weight to kg
160lb * 1kg/2.2lb = 72.7kg
next, the dose
72.7kg * 100mg/kg = 7270mg
1,918
step-by-step explanation: