Differeniate the function

u=(1/t - 1/sqrt of t)^2

4444444444444 i think

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

he is going to fill two shelves and the third shelf will only have five video games