Answer:
It looks like you forgot to attach a picture.
Since I cannot answer you're question fully, it will not be a complete solution.
The formula for the area of a triangle is
.
Just substitute you're base and height values.
Hope this helps!!!
Standard error (SE)

Or

Therefore, SE of the mean = (8)/(2) =4
Answer:
x= 3/4
Step-by-step explanation:

2(3x - 2) = (2x - 1)
6x - 4 = 2x -1
4x = 3
x= 3/4
Answer:
y=5/4x+7
Step-by-step explanation:
Honestly, I just guessed and checked, but here is a picture of evidence.