Answer:
the Total cost= 1,200,000*number of states
Step-by-step explanation:
Given the cost of each home is $80,000
The number of homes per state are 15
The Total cost of the project is = (Total number of houses per state) * (cost of each house) * (the number of states).
Therefore the total cost =15*80000*Number of states.=1,200,000*number of states
Answer: 20%
Step-by-step explanation: The same number applies here. Think about it this way, let's say you have a friend named Sofia and she has 3 dollars more than you, how many dollars do you have less than Sofia? 3 dollars. That's the easiest way I can explain it.
Answer:
and
.
Step-by-step explanation:
The equation can be simplified with the help of trigonometric identities:

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:
a) 

b) 



Any value different of both subsets do not satisfy the equation described above.
Answer:
15x - 2.
Step-by-step explanation:
3x - 1 + 2x + 1 + 4x - 2 + 4x - 4 + 2x + 4
= 15x - 2.