Answer:
Mrs Edwards.
Step-by-step explanation:
10% of $18,795 = 0.9 * 18,795
= $16,915.50
So Mrs Edwards had the best buy.
Answer:
235
Step-by-step explanation:
its 135
I'm going to assume dramatic, cause of it's era. Hope this helps.
Answer (let x be the number):
5x - 40 = x + 8
I hope this helps!
Answer:
Option A
Step-by-step explanation:
Given that The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model.

We can use derivative test to find maximum
Differentiate two times the profit funciton

Equate I derivative to 0
we get

II derivative is alrways negative
Hence profit is maximum when x=40
Option A is right