Amanufacturing company builds construction machinery. it sells 10 machines for $18,100 and 20 machines for $26,600. which equation models the revenue, r(x), as a linear function of the number of machines built, x?

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Given abcd ac=38 and ae=3x+4 find the value of x

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.