Do u want me to explain or just give u the answer
16r^2+ 2r -4r
16r^2 - 2r
2r ( 8r -1)
Rate of interest will be 108%
A ten-minute mile is 62% of a factor so you'd use this mans weight and then multiply it by .62. (174)(0.62)=107.88
I think that would be rotational symettry of 1.