Answer:
712.50 is the cost price.
Step-by-step explanation:
570 increase 25% =
570 × (1 + 25%) = 570 × (1 + 0.25) = 712.5
Answer:
A). 55
Step-by-step explanation:
Number of Variegated Fritillaries for each year is
2009 = 7
2010= 95
2011= 63
The sum total of the samples= 7+95+63
The sum total of the samples= 165
Number of years= 3
The average= total/number of years
The average= 165/3
The average= 55
ANSWER


EXPLANATION
The x-values for which the graph is below the x-values below the x-axis is the interval on which the graph is negative.
We can see from the graph that, for

the function is negative.
This can be rewritten as:

Also for

the function is again negative.
This is also written as:
