49: 1 7, 49
84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The GCF is 7
Gold is 1792, Copper Is 1477, Iron Is 1323, Lead 1422, Aluminum Is 1859. Your Welcome.
Answer:
Rational
Step-by-step explanation:
Look at the equation backwards, its minus 6 every time. so therefore the ninth term would be 51. double check yourself count up + 6 til you get to the ninth term! :)