That would be a / 3b^2
(re call that 1 /a^-1 = a)
(11 + 21) - ( 3 - 100 )
= 32 + 97
= 129
or (11+21)-(3+100)
= 32 - 103
= - 71
I have no idea about your topic but hope it's right! Good luck
Parentheses
Exponents
Multiply/Divide
Add/Subtract
None that is a real shape
4x^2 +15x + 13 tyats would be tour answrr