you go to a resturaunt and order $137.61 worth of food. you decide to tip the waiter 18% you also have to a tax of 6.5% on the original meal what is the final cost of the meal

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.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?