Please help me answer the question

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

What is the result of adding the system of equations? 2x+y=4 3x-y=6