The table below compares the number of lawns sam mowed with the amount
of money he earned. what is a logical conclusion to make about the amount
sam would earn for mowing 7 lawns?
total money earned
number of
lawns mowed
1 $25
3 $75
5 $123
7. ?
a. he would earn a total of $275
o
b. he would earn a total of $225,
o
c. he would earn a total of $175.
o
d. he would earn a total of $125.

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step-by-step explanation:

because i said it is

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

cant open file sorry!

step-by-step explanation: