Step-by-step explanation:
15(2x + 5)
because 15 is the GCF of 30 and 75
It's pretty easy to go through the choices and none has a[2]=-36 and a[5]=2304. Something's probably wrong with the way the question is typed, but I will answer what's written.
Subtracting,
Answer: a[n] = -816 + 780(n-1) which is none of the above
Check:
Answer:
About 1.2 units long
Step-by-step explanation:
Circumference of a cirxle formula:
2*pi*r=C
Pi and Circumference are given so lets plug those in,
2*pi*r=7.85
6.28318530718*r=7.85
Divide both sides with 6.28318530718
r=1.24936630327
Answer: 13
Step-by-step explanation: because I have the whole bookanswer duh