A restaurant sells a coffee refill mug for 5675. Each refill costs $1.25. Last month
Keith spent $31.75 on a mug and refil
We an equation you can use to find the
number of refills that Keith bought

What is a possible solutions of the x> 3?

Find the domain of the following expression: 1/(√x)-2

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.