Find the coordinates of the midpoint between the two points. (3, 1) and (-9, -7)

Please help?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0