Need help ASAP! Explain the steps necessary to convert a quadratic function in standard form to vertex form (on edgenudity)

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?