Mr. McClellan is hosting a barbeque at his house for his family. When he went to buy charcoal for the grill, he saw that a 4-pound bag of charcoal costs $5.00 and a 7-pound bag of charcoal costs $9.00. If Mr. McClellan want to buy the bag that gives him the best deal, which bag
of charcoal would you tell him to buy?

Part A
Which bag of charcoal gives him the most charcoal per
dollar?

Part B

Which bag of charcoal would you tell him to buy? Why? RACE

d. is the correct answer

step-by-step explanation:

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:

35/2 is it i think maybe