The answer is 30 because 5×6=30 and 6×5=30.So the smallest number of books each could have shelved is 30 books...
Answer:
$273
Step-by-step explanation:
$3900= 100%
$39 = 1%
39(1%)*7= $273 (7%)
You would use the equation
F+V=E+2
Answer:

Step-by-step explanation:
Given


Required
f(10)
An exponential function is represented as:

impleies that:
--- (1)
implies that
--- (2)
Divide (2) by (1)



Take 4th root

Substitute
in 


Solve for (a)


f(10) is calculated as:



Answer:
the formula is (n-2)180 degrees
so its 7020