Answer:
Acute
Step-by-step explanation:
This would not form a triangle because the lengths are too long. If it did, the triangle would be acute.
Answer:
y = 4 / x = 2
Step-by-step explanation:
Insert x equation for variable x
y = 2(-y+6)
simplify
y= -2y + 12
add 2y to both sides
3y= 12
divide both sides by 3
y = 4
Insert 4 as y in y =2x
4=2x
divide both sides by 2
x=2
Answer:
should be 6cm
Step-by-step explanation:
if you are looking at a cube
Answer:
D. 
Step-by-step explanation:
We can use a process of elimination in order to easily solve this.
The shape of 
will be two diagonal lines that meet at (0,0)
Will be an upside down parabola
Will be a line with a slope of -1.
This means that the answer must be D
