You work at a beauty supply store and need to order 50 cases of hairspray. One company sells the hairspray for $7.95 per case, plus 8% sales tax. A second company sells the hairspray for $11.95 per case. The second company also offers a rebate of 20% for the whole order, but charges no additional sales tax. If you choose the better of the two prices, how much will you pay for the 50 cases of hairspray? $200.00
$397.50
$429.30
$478.00
$597.50

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.

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Can anyone me with this question?