PLS HELP, I NEED TO FINISH THIS.. Identify one linear equation and one nonlinear equation from the list. State a reason
why cach equation you identified is linear or nonlinear.
(Explain why the equation you choose is linear/nonlinear)

Equation 1: y=3^x
Equation 2: y=3x-6
Equation 3: y=x^2+7
Equation 4: y=x/3

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.