Answer:
it depends how many of each you want, you would take $800 for the price of the item or $400. then x for the amount of items you need. then put that all over your total and divide.
so it would look like this
Step-by-step explanation:
800(x)
-------------
20,000
You can take a million different cross-sections of a sphere and you will always end up with a circle.
Answer:
I don't know if i am right but i think it is number 7 because it like goes in order
Step-by-step explanation:
i am so unsure so i think it is 7 i don't know for sure
Answer:
40 m^3
Step-by-step explanation:
Volume of a pyramid = 1/3 * base area * height
base area = 4 x 4
1/3 * (4x4) * 7.5 = 40 m^3