Answer:
Step-by-step explanation:
The slope of the line between two points can be found with the following equation:

Plugging in the points
and
from the problem statement, we get the following:



Product means to multiply.
Simply
9*12= 108
:-)
Answer:
m<DEF = 8y - 6
Step-by-step explanation:
Given that: DEG =
, and FEG =
.
The given triangle is an isosceles triangle with sides DE ≅ DF.
But,
m<DEF = DEG + FEG
=
+ 
= 3y + 4 + 5y - 10
= 8y - 6
m<DEF = 8y - 6
Therefore, the measure of < DEF is 8y - 6.
Answer:
750
Step-by-step explanation: