The riches are ordering topsoil for their new lawn. the topsoil will be spread evenly over the yard before the grass is planted the yard is 81 feet wide and 111 feet long the topsoil will be spread 2 inches deep how many cubic yards of topsoil are needed

 55.5 cubic yards topsoil are needed .

Step-by-step explanation:

Given : The riches are ordering topsoil for their new lawn.

The topsoil will be spread evenly over the yard before the grass is planted the yard is 81 feet wide and 111 feet long the topsoil will be spread 2 inches deep .

We Know that 1 yard = 3 feet

And 1 feet = 12 inches

Then , the length  :

Width :

Depth :

The volume of rectangular prism is given by :-

i.e.

  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.

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