let f be the function defined by f(x) = (2t^3 - 15t^2 + 36t) dt. on which of the following intervals is the graph y=f(x) concave down?

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

Can someone me on this math worksheet about finding the given variable for these angles, and whether the triangles are similar. i really need these answers i’m so confused: ( !