Answer: 
Step-by-step explanation:
m=
=
Determine whether triangle TJD is congruent to triangle SEK given T (-4,-2), J (0,5), D (1,-1), S (-1,3), E (3,10), K (4,4) and
nataly862011 [7]
Yes, it is.
The three points of triangle SEK are the points of TJD shifted 3 units right and 5 units upward.
So they are the same triangle, just translated in the plane.
Distributeiv porpoty
a(b+c)=ab+ac
or FOIL
anyway distribute
(m-6)(m+6)=
(m-6)(m)+(m-6)(6)=
(m^2-6m)+(6m-36)=
m^2-36
Answer:
9
Step-by-step explanation:
k=-9
-9×-9
81 square rooted
9