He will need 528 pieces of glass.
Hope this helps!
Please mark as brainliest because it helps me out a lot :)
Answer:
x = -2 and y = 1
Step-by-step explanation:
for details see image
Use excel to draw the graph and add the trend, formula
Okay , so first you need to know what volume is. Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance or shape occupies or contains. Volume is often quantified numerically using the SI derived unit,To find the volume of any cube you need to know the length, width and height. The formula to find the volume multiplies the length by the width by the height. The good news for a cube is that the measure of each of these dimensions is exactly the same. Therefore, you can multiply the length of any side three times. so all you need to do is 9*9*12= 972/3 = 324 so the answer is b .