22.5/5 = 4.5
For every 4.5 minute, she runs 5 km
22/x=9/100
22*100=9x
2200=9x
2200/9=x
244.4
Answer:
Step-by-step explanation:
if the discriminate is 0, it means that both roots are the same. Not only that, but it also means that the roots are real. I would pick D, but realize that that is the expected answer and the answer could be B, depending on how the person writing the problem thinks about it.
3 should be added to the tiles