Answer:
I think you meant to add a list of answers but didn't so here's the characteristics of a plane: Flat, two dimensional, extends infinitely, and is assembled about multiple points and lines.
Step-by-step explanation:
The inside angles of a 4 sided shape when added together equal 360.
X = 360 - 50-130-120
X = 60 degrees.
Answer: C
use the x and y
Each drink costs $2.
Y=2.50x+3
Because the $3 fee is not changing but the 2.50 is changing every pound that they get.
Answer: x=7
24=2x+10
24-10=14
14=2x
14/2=7