Answer:
a co mam zrobic!!!!!!!!!!!!!!!
bo nie wiem!!!!!!!!!!!!
Step-by-step explanation:
a = 3a + 12
- 3a - 3a
-2a = 12
-2 -2
a = -6
Answer:
x = -3 or 9/4
Step-by-step explanation:
(x+3)(4x-9)
or use the quadratic formula
Answer:
C
Step-by-step explanation:
HOPE THAT HELPSBDNQBDB
I gotchuuuu
Ok so angle ABC we’re gonna call it X
Angle BCD is 2X
The trick is the sum of angles of a pentagon is 540 degrees.
90 + 115 + 125 + 2X + X = 540
3X = 540-330
X = 70
SoOoOoOoOooooo
Angle BCD is 140 degrees !!