Jenny wants to know how long the slide is at the playground. she knows the height from the bottom of the ladder to the top of the slide is 6 feet. the bottom of the ladder forms a right angle with the ground. she also measures the distance from the bottom of the ladder to the end of the slide which is 9 feet. what is the length of the slide rounded to the nearest tenth? the slide is approximately ? feet long.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

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.