Step-by-step explanation:
1) 180-125=55°
2) 90-67=23°
3) 180-102=78°
4) 90-30=60°
5) 180-129=51°
6) 180-155=25°
If it is I parenthesis then u multiply so here is an example f=4 x=1 then u could say 4×1=? and 3×4=? this is not an real answer it is just an example
6m² + 6m - 9m²
Add like terms.
(6m² - 9m²) + 6m
-3m² + 6m
~Hope I helped!~
I don't understand can you show have to do this pleas