Mason needs 9 more seed packets to have a total of 20 plants in his yard.
Simplified:
20-11=9
Answer:
The solutions are 
Step-by-step explanation:
we have

Complete the square. Remember to balance the equation by adding the same constants to each side


Rewrite as perfect squares

square root both sides


Answer:
1/2
Step-by-step explanation:
5/8 x 4 = 5/2 = 2 1/2
answer is <span>D. 2 1/2</span>