6x-18
you pretty much h just multiply both the first part of the parentheses by the number outside, then the second :)
Answer:
a. what is the perimeter of a square with side length:
3 cm=12cm
7 cm=28
b.90
Answer: W=-1.8
Step-by-step explanation:
Divide both sides by 2.02 and you are left with W=-1.8.
Hope this helps!
Answer:
21°
Step-by-step explanation:
<CBE=<ABD=69°
in triangle ABD, <ABD+<ADB+<DAB=180°
69°+90°+x=180°
So, x= 21°