So i know everybody says that they need help asap and stuff, and tbh i have until umm 11:59 to turn this in so if u get to this later thats cool too. thx guys : Sally Smith is a chemist with XYZ Pharmaceutical. She mixes a 9% solution of sulfuric acid with a 30% solution of sulfuric acid to produce an 18% solution. How much 9% solution and how much 30% solution will be needed to make 21L of 18% solution?

You should read more because is easy

Step-by-step explanation:

well its going to be less then 18 so 12

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:

i need a diagram

step-by-step explanation:

no