Select all the correct answers. Which two investors are making a common investment mistake?

Lucas Invests in different asset classes and strategically divides his portfolio.

Sam invests all his money in the most popular Industries he's aware of.

Kate starts investing some of her money in Index funds.

Reba plans to invest most of her money in international stocks.

Hugo chooses to sell his all-time low-performing stocks.

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

, 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