Find the volume of a pyramid with a square base, where the side length of the base is 13.9 cm and the height of the pyramid is 6.3 cm. Round your answer to the nearest
tenth of a cubic centimeter.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

i don't know

step-by-step explanation: