What are the ordered pairs of the solutions for this system of equations? Pls pls help pls

1. preform the indicated operation. then estimate to see whether the proposed result is reasonable. 811.1 - 8.039 803.071 803.061 803.161 831.061 2. the ordered pair (1, 2) lies in which quadrant? quadrant ii quadrant iv quadrant iii quadrant i 3. sean tries to drink 3 liters of water every day how my millimeters of water does he drink in a day? 0.3 ml 0.003 ml 3,000 ml 30 ml 4. find the least common multiple. (lcm). 10, 36 5 180 20 360

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression