What is the value of 36x - 8y2 when x= 3 y = -6

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be