Answer:
B.
Step-by-step explanation:
If you rearrange the equation in b, you get
y=5(x-3)+15
This means that your f(1) is equal to f(3), or 15, and for each additional month, it increases by 5, which is what the table shows.
Answer:
Option D. Strong positive correlation
Step-by-step explanation:
Like the r-value of 0.987 is positive (0.987>0) and close to 1, the correlation of the graph is a strong positive correlation
Answer:
$1210
Step-by-step explanation:
Let x be total amount
First John spent $110 on a radio and 4/11 of what was left on presents for his friends so he was left with

Then he put 2/5 of his remaining money into a checking account

Rest he donated to charity

Hence total amount of money John originally had was $1210
ratio of adults to students can be written as a fraction
adult tickets / student tickets
140/210 can be simplified to 14/21
14/21 can be simplifed to 2/3
Answer:
8*5^n-1 / 2^n-1 = n
This is the function for your sequence