For 20 points, 5 stars, and a thanks, can some one answer these 5 questions about percent increase and decrease? 19. 380;5% increase
20. 39; 33% decrease
21. 48; 15% increase
22. 3,000; 325% increase
23. 160; 20% decrease

380; 5% increase is 399

39; 33% decrease 26.13

48; 15% increase 55.2

3,000; 325% increase 12,750

160; 20% decrease 128

Step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: