Part A. Tisha is putting boxes together to make an art project. She has already put two boxes together. What is the volume of the two boxes, A and B, that Tisha put together?

A.
189 cm3

B.
207 cm3

C.
288 cm3

D.
519 cm3

Part B.
Tisha still needs to add one more box to her project. What will be the volume of Tisha’s art project when she adds Box C?

A.
198 cm3

B.
207 cm3

C.
234 cm3

D.
528 cm3

C, 288

Step-by-step explanation:

Solved in notebook

Explanation is in the file

tinyurl.com/wpazsebu

the aswere is the one with all 8's and the second one is with the 10,8 and 6

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