Answer:
The correct order is:
4. Mesenchymal cells aggregate.
2. Osteoblasts differentiate within mesenchymal connective tissue.
1. Clusters of osteoblasts form osteoid that becomes mineralized.
3. Spicules of bone radiate out from the ossification centers.
Answer:
(y+9)(y-3)
Explanation:
9*(-3) = -27
9+(-3) = 6
