Answer:

Step-by-step explanation:
Quadratic formula: 


Hope this helps and God bless!
Answer:
eekk im not shure sorry but it might be 8156 i no no
Step-by-step explanation:
Answer:
2 and 1/4
Step-by-step explanation:
3/4 + b = 3
rearrange the equation
3 - 3/4 = b
3/1 - 3/4 = 14/4 - 3/4 = 11/4 = 2 and 1/4