27=3³ and 512=8³
(3x+8y)(9x²-24xy+84y²) are the two factors.
C is the answer.
The average rate is 5 mps because 80 seconds times 5 equals 400 meters
26.315789, you should use a caculator
40/16 = 24/x
16*24 = 384
x = 384 / 40
x =9.6
it cast a shadow 9.6 feet long
4620 m<span>hope this helps </span>
