Answer:
6
Step-by-step explanation:
X/126=1/21
X=126/21
X=6
is it right?
9
180 x 0.05
C. 3x power 3 + 6x power 2
(7,3)
X= -2+3y
....
-2+3y-3y=-2
-2+3y+3y=16
.......
6y=18
...
y=3
x=7
