The sixth grade is charging $9 per car to wash cars. the fifth grade is charging $8.50 per car. suppose each grade washes 50 cars. how much more money will the sixth grade earn?

Ineed in figuring out this problem.

Through non-collinear points there is exactly one plane.

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