Aused-boat dealership buys a boat for $2600 and then sells it for $3800. what is the percent increase? do it right no bs

What are the domain and range of the function? f(x) = -4 (sqrt)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?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression