can someone please help me with this ?

Answer:
Tess
Step-by-step explanation:
Indi: 2-3= -1
Mark: -7 - (-4)= -7+4 which is -3
Tess: -1-(-7)= -1+7 which is 6
Tess wins the prize since, 6 is the biggest
Indi comes in second since, it's bigger than -3
Mark come in last place