Mary took out a loan to buy a $30,000 boat but had $2,000 cash to put down. Which of the following is true? a. Mary decreased both assets and liabilities. b. Mary increased both assets and liabilities. c. Mary decreased assets and increased liabilities. d. Mary increased assets and decreased liabilities.   Please select the best answer from the choices provided A B C D

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

if you need just tell me and i will come to the rescue.

step-by-step explanation:

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x