Answer:
cm^2
Step-by-step explanation:
area of an equilateral triangle =
(s = length of the side)
area = 
area = 
area =
cm^2
13,because it’s the single number that divides with 52
52:13=4
first, rewrite 54 as 6•9
next, rewrite 42 as 6•7
then, that gets you 6x^2 -6•7x- 6•9
lastly, factor out the common term (6)
and then you get 6(x^2-7x-9)
<u>please mark as brainliet <3</u>