Answer:
B
Step-by-step explanation:
Ans given below
-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
Zane climb up in 33 seconds
44•33 = 1452 m.
so, Zane start from 1313 + 1452 = 2765 m below the edge.
to reach the edge with constant speed, Zane need 2765/44 = 62.84 seconds
we can round it to 63 seconds
Answer: I think f
Step-by-step explanation: