Cosecθ=sq.rt of 65/8. hope it will help you
First, find the volume of the whole cube
Volume of cube = 4 x 4 x 4 = 64 cm³
The volume of sand is 25% of the volume of cube so,
Volume of sand = 25/100 x 64 = 16 cm³
<h3>Answer: Choice C</h3>
Here's how the verification would look like

using the identity here

There are 2 methods you are taught in Middle School.
Elimination and Substitution.
Answer:
0.03125 inches 1 hour is the anwser
this also involves the conversion factor
hope this helps!!