Answer:
-27/7
Step-by-step explanation:
Replace x with 19,
f(19)=3/(19+2) - root(19-3)
=3/21 - root(16)
=1/7 - 4
=1/7 - 28/7
= -27/7
Use following log property:

Take log of both sides

Distribute left side, isolate 'x'
Answer:
b
Step-by-step explanation:
Answer:
It is not a closed circle
Step-by-step explanation:
You see they are not all at the same degrees and a b d have a right angle and c is an obtuse angle.
Answer:
Step-by-step explanation:
DE = LK {given that length of DE & LK are equal}
EF = JK {given that length of EF & JK are 8 cm}
DF = LJ { given}
ΔDEF ≅ ΔLKJ by SSS congruent