Adrop tester is set up to drop a laser level from a height of 12 ft. you can use the projectile motion formula for height in feet to determine the equation whose solution is the number of seconds it will take for the level to hit the ground. what is the equation?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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.

What are the values of each variable in the diagram below?