Nathan is filling a box with 1-inch cubes. he filled the bottom layer as shown. nathan wants to completely fill the box. how many cubes will nathan need in all? a. 18 b. 26 c. 144 d. 180

The dimensions of the entire rectangular prism are 3 inches by 6 inches by 8 inches.

volume of rectangular prism = length * width * height

volume = 3 * 6 * 8 = 144

He needs 144 small cubes.

here is a big fat

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c