Answer: 175+B^2 =40B
Step-by-step explanation:
Answer:
sum of the first 27 terms = -1431
Step-by-step explanation:
<h3>arithmetic series sum of the first n terms formula:</h3>

n = 27 terms
first term, a = 25
common difference, d = 19 - 25 = -6
substitute the values into the formula





Answer:
The polynomial that represent the volume of the box is 
Step-by-step explanation:
we know that
The volume of the box is equal to

we have



substitute in the formula

Answer:
30
Step-by-step explanation:
it is right