How do i get the answer to this question 1.7h-(1.4h+5)

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

The trigonometric ratios sine and secant are reciprocals of each other

What is the solution to the equation below? 3/x-2+6=square root x-2 +8