I believe it's just asking u to create different types of triangles and then describing they're angle (example 90' angle or 25' angle) and naming them letters of the alphabet
A) the mode is greater than the median
tip: the mean will always be greater than everything
Given expression is

Now we need to simplify this expression. We can begin by factoring numerator and denominator if possible.

divide numerator and denominator both by 2v


Hence final answer is 
Or you can also keep factored form

Answer:
A x=8
B x=25.1
Step-by-step explanation:
A 4X-2=3x+6
4x-3x=6+2
x=8
B 7x+4=180
7x=180-4
7x=176
x=25.1
Hexagons. Below, you can see a plane cutting through the pyramid, part of the pyramid removed, and the cross section. Cross sections parallel to the base will be hexagons.