Need help with this problem. find area of the shaded region​

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

What could explain what happened when the time was equal to 120 minutes

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m