How many unit cubes are needed to
make a model of a rectangular prism
that is 9 units long, 5 units wide, and
3 units high?
A 17 unit cubes
B 135 unit cubes
C 174 unit cubes
D 270 unit cubes​

Respuesta :

Answer:

b

Step-by-step explanation:

3 x 5=15

15 x 9= 135

135=b