There are two food vendors to consider. Event Solutions charges a one-time fee of $300 for table rentals and then $5 per person for food and drink. Parties Made Easy charges $8
per person for an all-inclusive event. The fee per person includes food and drink, as well
as tables.

dunno

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

2

step-by-step explanation:

well, if it's triangular garden, the triangle could represent the garden.