Answer:
<h2>The number of the books is 4384.</h2>
Step-by-step explanation:
Let, the number of the books will be x.
With the first method, the total cost will be, $(19521 + 21x) and with the second method, the total cost will be $(62265 + 11.25x).
As per the given condition it is told that the costing should be equal.
Hence, 
.
D. graph D
Explanation
Step 1
graph the function as a line
convert
to graph, find 2 coordianates
a) when x=0
b) when
x=-4
now, using two points draw a line
Step 2
we are looking fro values under this line, so the answer is
D. graph D
Washington D.C is the capital of the US
Answer:
C
Step-by-step explanation:
It is C because multiplying exponents means you add the top number while dividing means subtract.
