How do you right 0.4 (repeating decimal) as a fraction in simplest form? also could you do 0.21 (repeating decimal)

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Divide. write in simplest form 41/6 divided by 10

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)