Answer:
5,10,15,20... is A). 20,17,14,11... is B). 1,3,9,27... is C). and 128,32,8,2 is D)
Step-by-step explanation:
plug in each common difference/ common ratio with each set to see what works
It would actually be -14 because 5+4-2=7 and if you multiply 7 by -2 you get -14
Answer:
See attached
Step-by-step explanation:
Answer is attached
Answer:
x = 80
Step-by-step explanation:
Total = 360
90 + 50 + 90 + 50 = 280
360 -280 = 80