Answer:
(
3
x
+
1
)
(
3
x
−
1
)
is the factorised form of the expression
idk if its right so dont come at me and i also think that it didnt paste right.
Answer:
18
Step-by-step explanation:
90% of 20 is 18
Step-by-step explanation:
The area of triangle is
=21×height×base=21×3×4=3×2=6 cm2