Sphere, ur head is the closest shape to a sphere
The second option! Hope this helps!
Hi again :)
5b^3(4 - 9b^2)
Use the distributive property
=(5b^3)(4) + (5b^3)(-9b^2)
= 20b^3 - 45b^5
= -45b^5 + 20b^3
Have a nice day!
It should be the last one, 3,500 divided by 7 = 4,500 divided by 9
A=((40+64)/2)*18= 936 units^2