Công thức tính bernoulli

Which best explains why this triangle is or is not a right triangle?

For the equations below which statement is true ? -2x=14 6x=-42

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2