Answer:
-7,3
Step-by-step explanation:
The answer is 600 because you have to multiply 120 by 5 and the sum is 600
You can group first two conjunctions and second two:

.
In first brackets you have common

and in second brackets common is 5:

.
Answer: is 1.41421 hope this helps :)
Answer:
use the distance formula,
by using it, prove the adjacent sides of the quadrilateral DEFG
hence, DEFG would be a rhombus