If you're asking how to simplify, then this is how you do it.
when a power meets another power but in brackets, then you have to multiply the powers. ¼ × 4 would be 1. i simplified 81 to 3⁴.
The answer is
B) 2n - 5
because it's -5 than twice the width (2n)
Answer:
how many floors the elevator goes down per unit of time
Step-by-step explanation:
not sure what the unit of time is but its seconds or minutes im pretty sure it doesnt say