Adisplay case is shaped like a cube. the edge length of the display case is 15 inches.
a. write a power that represents the volume (in cubic inches) of the display case.
in.3
b. the volume of the display case is
cubic inches. write your answer as a whole number.

a.

b.

Step-by-step explanation:

a.

The volume of a cube of side length L is given by the formula;

Our side length is given as 15 inches. Thus;

b.

The power function obtained above can be simplified by the use of a calculator to obtain the volume of the cubic display case.

d. $180

step-by-step explanation:

if the dimensions of the room is 9ft by 12 ft, we have the area of the floor as,

so the area of the floor is 108 square feet, converting that into square yards we get,

the cost of carpet is $15 per square yard, therefore the cost of carpet for 12 square yards is,

hence, the cost of carpet is $180.

assuming the dimensions of the room be,

15 ft by 12 ft

so, the area of the floor of that room is,

we can convert 180 square feet into square yards, we know that,

1 sq ft = 0.111 sq yard

so, 180 square feet is,

so the area of floor is 20 square yards.

now, the cost of carpet is 15 dollars per square yard, therefore the cost of carpet for 20 square yards is,

so, it will cost $300.