Like this is due tonight at 11:59 pm and it's 8:15 please help me out

Heidi makes $27

Jewelry store makes $423

Step-by-step explanation:

Heidi will make 6% of her $450

450*.06= $27 a week

The jewelry store keeps the 94% Heidi doesn't get

You can either do (more complex version) .94*450= $423

or (easier version) 450-27= $423

, 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