Answer:
See explanation
Step-by-step explanation:
Consider the sequence 
Rewrite it as

The points on the coordinate plane are
(see attached graph).
Since
given sequence is geometric.
Answer:
There are 60 questions on the test
Step-by-step explanation:
Hope this helps :)
Answer:
0.40x = 320
Step-by-step explanation:
40 = percent, 320 = part. Write the percent as a decimal and multiply by the whole.
The answer is 8. 40 / 31 = 1.29032258. Multiply that by 6 and you have 7.74193548. Round up because you can't buy 7.7 cans of dog food.