The slope formula can be used to prove a triangle has
<span>a right angle
and slope formula also prove that lines are parallel
so i conclude option B is correct
hope it helps</span>
Answer:
The answer will be 8
Step-by-step explanation:
SInce you notice there is movies with an 8 difference....
A+a+4+2a-3= 21
combine like terms
1+4a= 21
-1. -1
4a= 20
————
4a. 4
a= 5
Answer:
42in :)
Step-by-step explanation:
All you have to do is multiply 7x6 because u need to find the area.
but if u wanna find the perimeter u have to add all sides.
area is multiply 2 sides.
<em>Answer:</em>
<em>Try 120</em>
<em>Step-by-step explanation:</em>
<em>5 times 8 equal 40</em>
<em>15 times 8= 120</em>