What is the volume of a waterbed mattress that is 7 ft by 4 ft by 1 ft? a. 26 ft3 c. 31ft3 b. 28 ft3 d. 35ft3

He formula for finding the volume of arectangular prism is the following: Volume = Length * Height * Width, or V = L * H * W.
v=lxhxw
v=7x4x1
v=28ft^3

The reciprocal of a number is '1 ' divided by it.

The reciprocal of a fraction is the fraction flipped over.

The reciprocal of (anything) is  1 / (anything) .

The reciprocal of  'x'  is   1 / x .

The reciprocal of   RSL   is    1 / RSL .

The reciprocal of  200  is    1 / 200 .      That's also  0.005 .