Your answer would be 288. Also, did you mean 8/9? Hope I helped!
The equation would be (100-10) ÷30 your answer would be 3
15-4=11 plus
(7-5)= 2
if is times 2 is 32
if is plus 2 is 15
if is minus 2 is 11
and if is divided by 2 is 6.5
(I'm saying all that because you didn't put any symbol beside the number 2)
First u have to find the square root for the number and then answer all of the root question then u have to find the angels