Answer:
we can use centeroid formula of a triangle
that is (x1+x2+x3)/3
hope that helps : )
42 can be
1 x 42, or
2 x 21, or
3 x 14, or
6 x 7 .
Each pretzel is 4.5 $
1.50 • 5 = 7.5
7.5 - 30 = 22.5
22.5 / 5 = 4.5
so in conclusion, those are some expensive a** pretzels.
Answer:

Step-by-step explanation:
Apply pythagorean theorem:
ABD is a right triangle with angle ADB = 90
hence AD =
where BD = 10 because it is half of BC
AD =
= 
Answer:
6x-18
Step-by-step explanation:
(2x-6)+4x-12
6x-18