Answer:
Obviously its x=3-23=-20.
, that is D
when multiplying like variables add the exponents
= =
A - Rational
B - Not Rational
C - Not Rational
Hope this helps!
Step-by-step explanation:
7) 80 degrees
8) x = 73 and the angle(KEF) = 147
360 - 160 = 200
200 - 53 = 147
2x+1=147
x = 73
