Miller's machines designs and builds custom computers. before any computers can be built, a construction area had to be built with tables, chairs, and tools, costing about $1500. the labor and supplies cost an estimated $500 per computer, and each computer will be sold for $750. the investment to build x computers can be estimated using the formula y = 1500 + 500x the gross sales for x computers can be calculated with the following equation: y = 750x how many computers must the business sell to break even?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

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.

Finding tbe values of the variables in each kite