Answer:
(7,0) is ur answer my dude
Step-by-step explanation:
1/2 plus 1/3 is 5/6.
You have to find the common denominator
It is
B C D
all but A
x=20
sin¢=cos90-¢
therefore; 3x-15+x+25=90
4x+10=90
4x=90-10=80