Amber has a dog walking business that she earns $6 per hour she dog walks. She already has $50. She wants to earn at least enough to buy a new computer for $350. Write an inequality that
represents how many hours she needs to work before she can buy the computer and solve. pleasee hurry, it’s a quiz !

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.