An= A1 + d(n-1)
An= 170 + (-85)(n-1)
An=170-85(n-1)
An= 170-85n+85
Answer: An=255-85n
I worked this out, and the answer is B.) 14x+6
Hope it helped! :3
Answer:
139.7124
Step-by-step explanation:
9.6+5.42-3.2 (^2)
11.82^2
= 139.7124
Answer:
56.7 mi/h
Step-by-step explanation:
The formula for average speed is:
Average Speed = 
Thus we have:
Average Speed =
mph
<em>Rounding to the nearest tenth, we have </em>
Average Speed = 56.7 mi/h