Answer:
90°
Step-by-step explanation:
as a straight line is 180°
and the angle 4 is 90 degrees it must mean that the other side is 90 degrees too
Answer:
Uhhh try downloading.... Conects... ¯\_(ツ)_/¯
Step-by-step explanation:
....*whispers* Your welcome....
Answer:
The answert is "$0.007 / bottle".
Step-by-step explanation:
Please find the complete question in the attachment file.

The average income:

The change rate on the average revenue:

when 81 bottles were produced
, then the rate of change in average revenue
The average income is decreasing at rate = $0.007 / bottle
Answer:
12, 36, 108, 324
Step-by-step explanation:
using the recursive formula and a₁ = 4 , then
a₂ = 3a₁ = 3 × 4 = 12
a₃ = 3a₂ = 3 × 12 = 36
a₄ = 3a₃ = 3 × 36 = 108
a₅ = 3a₄ = 3 × 108 = 324