Answer for brainliest, 5 stars, plus thanks (perimiter of a right triangle 6th grade math)

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

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"