Step-by-step explanation:
everything can be found in the picture
The solution as in where do they intersect? if so, it would be 0.0769 and -0.0769
17+30=47
47=47
That is the associative property of addition
Answer:

Step-by-step explanation:
Given




Required
Find the height
The volume is calculated as thus:

This gives

Apply difference of two squares


Subtract 15 from both sides

Using a calculator to factorize, we have:

Split
or 
or 
x has complex roots for 
Hence:

Recall that:


Answer:
8 chocolate bars
Step-by-step explanation:
56 / 7 = 8
( / = divide)