Sheryl paid a plumber x dollars per hour for a 6-hour job plus $70 for parts. The total charge was $325. Which equation can be used to determine how much the plumber charged per hour? HELP

In part i, the independent variable, the one that is intentionally manipulated, in part ii, the independent variable changes the dependent variable, the one you measure the response in, is the same for parts i and ii. for both parts of the lab, the dependent variable

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

What does independent variable and dependent variable mean in math?