Answer:
i think x = 18.5
Step-by-step explanation:
6x-21 = 90°
6x = 90+21
6x = 111
x = 111/6
x = 18.5
120
blue marble 12/50. tails 20/50
12/50×20/50 =240/2500= 12/125 =9.6%
List all of the solutions.
T
y
=
4
2
x
−