Please help This composite shape is a rectangle with a semicircle attached on one end. The diameter of the semicircle is 6 feet. A rectangle with length 10 feet and width 6 feet. A semicircle with diameter 6 feet is on one side of the rectangle.

What is the approximate area of this composite figure? Use 3.14 for Pi and round to the nearest whole number.

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.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Having a hard time understanding this question (see attachment).