Answer:
B, C, E
Step-by-step explanation:
Tips = $20 × 15%
$20 × 
$3
Total = $20
Without tips = $17
Things that can buy for $17 are B, C, E
Answer:
Height of this missing bar would be 1
Step-by-step explanation:
Since there is 1 and only 1 quantity between 80-99.
Answer:
Only whole numbers of people, n, are assumed in the calculation.
Step-by-step explanation:
The function relating the number of people, n, to the revenue, r, implicity assumes that only whole people will purchase tickets. 13.5 would mean that 13 normal people and 1/2 of a person bought tickets. This can't be in the domain, since the ticket saleperson would run away if 1/2 of a person showed up: thus no ticket sale.
Actually, it may depend on how one defines a person. Is it 1/2 physically, or 1/2 mentally? I've personally seen the latter show up at some fundraisers.
A is your next step. Distribution.
x-3/(x+1)(5x-2)
This is the answer, first you divide fractions, then factor out the remaining, then factor again, cancel common factor, cancel common factor x-1.