X^2 -2x -1 = 0

pls work and the answer

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?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Order 1100000, 314000, 965000, 1890000, from least to greatest.