Hey there! :)
Answer:

Step-by-step explanation:
Normally, in the parent function y = cos x, when X = π, Y = -1. However, in this graph, when X = 0π, Y = -1.
Therefore, there has been a horizontal shift of π to the left. The new equation would be:

Answer: 40°
Step-by-step explanation: The formula for calculating the size of an exterior angle is: exterior angle of a polygon = 360 ÷ number of sides. So it's 360°÷9=40°
(-2)+(-5) ok ok have a good day
Answer:

Step-by-step explanation:
Given,
The number of miles she walks every day = 
∵ 1 week = 7 days,
⇒ 1 day =
week,
Thus,
The number of miles she walks
week= 
⇒ The number of miles she walks in a week = 
Answer:20
Step-by-step explanation: