Solve the system of equations below by graphing them with a pencil and paper. Enter your answer as an ordered pair.
y = 2x-3
y = -x + 3

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Are the corresponding angles congruent? explain why or why not.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota