PLEASE HELP ITS IS IMPORTANT TOWARDS MY GRADE number 7 look below for the picture

Your answer is y = -2/7x + 1/7

Firstly, remove 2x from each side, to bring it to the right side of the equation.

2x + 7y = 1 ---> 7y = -2x +1

Then, just divide it all by 7.

7y = -2x +1 ---> y = -2/7x + 1/7

You've got your answer!

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:

i think the answer is a p = 78

step-by-step explanation:

there are 6 sides of a hexagon, multiply 13 x 6