Match term with the definition __a) shape created when a right triangle is rotated about the y-axis __b) shape created when a rectangle is rotated about the y-axis __c) perpendicular cross section of a cylinder __d) parallel cross section of a sphere __e) perpendicular cross section of a pyramid triangle rectangle circle cylinder cone

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

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.

Find the distance between (0,5) & (-4,2)