Answer:
A triangle with three angles that each measure between 0º and 90º.
A triangle with one angle that measures between 90º and 180º.
A triangle containing a right angle.

The answer is the third option, -7.
Hope this helps.
Answer:
w=-7/2z
Step-by-step explanation:
to solve for w you firstly have to group the like terms
5w-3w=2z-9z
2w=-7z
then you have to divide both sides by 2 inorder to remain with w on one side.
2w/2=-7/2
w=-7/2
I hope this helps
Answer:
e f f g
3 7 2 3
6 14 14 21
e;g=6:21
e : g=2 : 7
Step-by-step explanation: