- (2n - 6) = - (2*n - 2*3)
= - 2 (n - 3)
Answer A.
135000/6000=X
22.5=X
So this building would need 23 fire extinguishers <span />
Answer:
362880 ways
Step-by-step explanation:
The word dragonfly has 9 different letters.
So, to find how many ways this word can be arranged, we just need to calculate the factorial of 9:
First letter has 9 possibilities
Second letter has 8 possibilities (one used)
Third letter has 7 possibilities (two used), and so on.
So the number of ways is:
9*8*7*6*5*4*3*2*1 = 362880 ways
Answer:
The answer is either a, b, c, or d.
Step-by-step explanation:
I just chose all answers because i didn't feel like doing more work.
Answer:
^(3)+7x^(2)+4x-12
Step-by-step explanation:
