a door is 2.6 by 1.1 find the cost of painting both sides of the door at the rate of 20 rupees per square meter​

Really need on these. i have no idea what to do

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

How does reflecting or rotating a figure change the interior angles of the figure?