Answer:

Step-by-step explanation:
The salary per year is the combination of the $42000 per year (constant) plus the 2% rise per year. So the ecuation is:
Firt year 
Second year 
Generalizing:

The solution to the problem is as follows:
V = 1/3 * area of base * height
V = 1/3 * 3 * 4
V = 4 in^3
576/4 = 144 => max number of pyramids made out of the block of alabaster.
<span>b) => answer
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I hope my answer has come to your help. God bless and have a nice day ahead!
Answer
($17,000-$2,500+$4,900)/60
(19,400)/60
=A. $323.33
There are many expressions that have solution 4. some are:
3+1 = 4
2+2 = 4
5-1 = 4
7-3 =4
8-4 = 4
...........
Attached you will see the solution using the trig plane and general solutions.