Answer:
60 percent
Step-by-step explanation:
number of ducks in morning=80
ducks in after noon=135
for percentage
80/135=0.5925=0.60
0.60*100=60 percent
Both (b) and (C) are true.
This study is double blind and the "only spice tea" group serves as the control group.
x=143/40
or
x=3.575
4*40 = 160 + (3*60) = 340
ANSWER IS C
adj = 3
opp = 4
tanx =
tan C =