What is 0.54 converted to a fraction?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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)

Me i’m stuck on all these questions besides the two bottom ones