If a turtle can crawl 1/2 foot in 40 minutes, how many feet can he crawl in an hour and a half?

Ineed to learn how to solve this problem

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?