Which of the following equations will have an extraneous solution? Explain why. (Excuse the selected answer)

What is the y-intercept of the graph of the equation y=3(2^x)

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

What is the area of the triangle 10 13 12