Question

I need help as soon as possible

Answer 1

The sin ratio is the side opposite the reference angle over the hypotenuse.  If Z is our reference angle, then the side opposite it has a length of 32.  The hypotenuse has a length of 40.  Therefore, the sin of Z = 32/40.  We will reduce that to sin Z = 4/5.  First choice above.

Answer 2

For Sinz you have to do
$\frac{32}{40}$
so answer is
$\frac{4}{5}$
i think and what is your school level?