Answer:37 degrees
Step-by-step explanation:
90 (right triangle always has a 90 degree angle) + 53 = 143
There are 180 degrees in a triangle so,
180-143 = 37
Answer: -8r+12
Step-by-step explanation:
L=n-2, W=4+L=n+2
A=LW, since L=n-2 and W=n+2 we have:
A=(n-2)(n+2) so it could be this expression or the expansion
A=n^2-4
Answer:
blurd po
Step-by-step explanation:
^_________^^_________^^_________^
Answer:
the third one
Step-by-step explanation:
We can break it up into 
. This means that it is 
, or 
