Answer:
0
Step-by-step explanation:
If I'm not mistaken, the answer must be 0.
7-7 is 0, that cancels out
0 divided by -4w is zero. That leaves w alone
w=0. I think that's the answer.
They went there in 6.5 hours and came back in 5.8 hours
If you draw an octagon (eight-sided polygon), select one vertex and construct each diagonal from this vertex, you will see there are 5 such diagonals. Thus, for each of the 8 vertices you can draw 5 diagonals and hence there can be 5 × 8 = 40 diagonals.
Answer:
81
Step-by-step explanation:
x² + 18x
x² + 2(x)(9) + 9²
x² + 2(x)(9) + 81
(x + 9)²