Answer:
6+3x
Step-by-step explanation:
3(2 + x)
Distribute
3*2 + 3*x
a^2 + b^2 = c^2
In this case we're looking for C
so
(3)^2 + b^2 = (6)^2
9 + b^2 = 36
b^2 = 36-9
√b^2 = √27
b = 3√3
The mean is- 100 ÷ 5= 20
The median is- 15
hope it helps!