Answer:
4n^2-20n+25
Step-by-step explanation:
(-2n+5)^2
=4n^2-20n+25
Answer:
there you go all the answers
Answer:A perfect square is a number which is generated by multiplying two equal integers by each other. For example, number 9 is a perfect square because it can be expressed as a product two equal integers being: 9 = 3 x 3.
Step-by-step explanation:
Answer:
The crossover point for Time 
Step-by-step explanation:
From the question we are told that
The total rooms rented for the year is 
Time's fixed cost is r = $61,000
Time's variable cost is
$12.5 per room
Duffy's Maid Service fixed cost is
$25,000
Duffy's Maid Service variable cost is
$18.00 per room
The cross over point for Time is mathematically represented as

substituting values


Social Security $4,976.86 and for Medicare $1,163.94