Answer:

Step-by-step explanation:
Given

Required
The phase
We have:

Rewrite as:

A cosine function is represented as:

Where:
Phase
By comparison:

Hence, the phase is: 
Answer:
c
Step-by-step explanation:
Answer:
512
Step-by-step explanation:
8 x 8 x 8 = 512
Answer:
850- 475= 375 increase over 2 months.
375 ÷2= $187.50
-2; 3-5= -2 or -5 - (-3)
-1; 4-5 or -5 - (-4) = -1
-5; -6 - (-1)= 1-6= -5