Answer is <span>x = -7
...................................................</span>
The frequency stays the same and the wavelength decreases.
Answer:
8h + 15 = 39
Step-by-step explanation:
The base fee is 15 so you shouldn't multiply the hours by it.
The question states 8 per hour which means that you should multiply the 8 by hours and add on the base fee which is 15.
♂️♂️ -15 a parallel, clarify your question
Answer: 
Step-by-step explanation:
Given
lies in the fourth quadrant
So, sine must be negative in the fourth quadrant
Using identity 
to find sine value
