Answer:
<em>B ( 6 , 3 ) </em>
Step-by-step explanation:
( 
, 
)
( 
, 
)
Coordinates of midpoint are ( 
, 
)
~~~~~~~~~~~~~~~~~~
A ( - 7 , - 9 )
B ( x , y )
M ( - 0.5 , - 3 )
= - 0.5 ⇒ <em>x = 6</em>
= - 3 ⇒ <em>y = 3</em>
<em>B ( 6 , 3 )</em>
we know that
in the right triangle of the figure
Applying the Pythagorean Theorem
therefore
the answer is the option
C) 
Answer:
(3x5)+(3x-1) = 15+(-3)= 12
Step-by-step explanation:
There you go :)
the like terms are: 10y, and -9y because they are both of the same variable, y.
