True or false?

when rainfall increases, the water level in the lake goes up. rainfall is the independent variable in this situation.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?