help me change my grade

help me change my grade
6 have signed. Let’s get to 10!
my teacher has given me a d+ on my percentages mathematics test and i am almost 100% sure this grade isnt meant for me. i did lots of studying at the start of the class because our teacher gave us time. please help me find the person that this grade is for and please contact miss vestermark to tell her i need my B+ back
6 have signed. Let’s get to 10!