Comment sans calcul, peut-on justifier que la fraction 1848/2040 n’est pas irréductible?

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 area of the shaded sector?

When solving a logarithm equation, how do you find the missing variable ?