So I dont really understand how to see if equations are linear or nonlinear so, is y= 6x linear or not? As well as 6x + 4y = 8, y = 6x, and 6 (x-1) = y ?

Which of the following is true for the relation f(x)=2x^2+1

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

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?