1.the odd square number between 10 to 1000?

my key:14

2. X=Y?(A: X=IYI Y=IXI )

my key : C (not sure)

3.{(1/2)^-3*3^2}^-2

my key : 1/(2^6*3^4)

4. gill=50$ chair=5$ gill can profit= 30% chair profit= 50%

number of gill to chair =1:5 total net profit= 440 ask total revenue?

my key:2030

I am trying to think more but...........I only get 48 in math

so ....................