Answer:
4r ^2 +9r + 12
Step-by-step explanation:
Hope this helps! :)
Given
and
(say).
Then,

From the above 3 equations,

From the equations, we get

Since
, the negative value is rejected.

Answer:
B+54
Step-by-step explanation:
If Jackie has B beads, and Sally has 54 more than that, then you are adding 54 to B
Answer:
B
Step-by-step explanation:
because.
O poligono de 9 lados e chamado eneagono