Brad is practicing the piano. He spends 1
4
hour practicing scales and
1
3
hour practicing the song for his recital.

Select Yes or No to tell whether the following is a true statement.

12 is a common denominator of
1
4
and
1
3
.
A Yes B No
The amount of time practicing scales can be rewritten as
3
12
.
A Yes B No
The amount of time practicing the song for the recital can be rewritten as
6
12
.

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475