How u write an inequality for brigitte is shorter than 5 feet (brigitte height =h)

How to do this , and can some one explain

Find the value of the variable and the length of each chord for #5 and #6.

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.