Answer:
14 plants in each row 
Explanation:
Moesha has 196 pepper plants that she wants to plant in square formation.
Plant in square formation. The number of side equal. 
Let n number of row and each has n plants in each row. 
So, Total number of plant = n × n
 n × n = 196 
 n² = 196
Taking square root both sides 
 

 n = 14 
Hence, The number of row is 14 and each row has 14 plant.