A department store buys 100 shirts at a cost of $1800 and sells them at a selling price of $20 each. Find the percent markup.

The verbal translation for the difference of m and 7 increased by 15

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

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.