Answer:
9x(4+8y+3y)
Step-by-step explanation:
36x+72xy+27xy
9x(4+8y+3y)
4 because 11-7=4 is it subtraction?
3.482×10^9
Imagine the decimal at the end of the last 0 and move it 9 places to the left
Answer:
2.5•2 = 5
Step-by-step explanation:
The resulting two-dimensional cross-section is the area of a square.
Area of a square is equal to:

Having

<u>substitute</u>
