Yea they are cuz they have the same side and angle measurements
A rational number is any number that can be written as a ratio or a fraction.
So 5/9 is a rational number. So basically that eliminates 2, 3, and 4.
And we are left with 1. as our answer choice which is Rational and real.
I believe you would create and equation to find x and y.
Answer:
108 cubes
Step-by-step explanation:
step 1
Find the volume of the cube with side length of 1/3 units
The volume of the cube is equal to

where
b is the side length
we have

substitute


step 2
To find how many cubes are needed to fill the prism, divide 4 cubic units (volume of the rectangular prism) by 1/27 cubic units (volume of one cube)
