How many solutions does each system of equations have? y=5x-4
12=15x-3y
im in a quiz someone pls answer ill give brain

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

What is the area of the shaded sector?

What are the domain and range of f(x)= -log5(x+2)