Kelly has a ribbon that is 60 inches long. she
cuts 40% off the ribbon for an art project.
while working on the project, she decides she
only needs 75% of the piece she cut off. how
many inches of ribbon does kelly end up using
for her project?

Through non-collinear points there is exactly one plane.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}