Answer:

Step-by-step explanation:
Given



<em>See attachment</em>
Required
Which sine of angle is equivalent to 
Considering 
We have:
--- i.e. opposite/hypotenuse
So, we have:

Divide by 4

Hence:
is correct
Answer:
10 cars
Step-by-step explanation:
15 cars x
=
= 10 cars
Let the age of Jay be x years, so age of Jay's father is 2x years .
After 20 years,
Jay's age will be 
And Jay's father age will be 
But at that time, jay's age will be

So we have

Cross multiplication

Therefore Jay's age is 20 years and Jay's Father's age is 40 years .
1. Vertical shift, when k is outside of the parenthesis it indicates the translation up or down. Positive k is up and negative k is down.
2. Horizontal shift, when k is inside of the parenthesis it indicates the translation left or right. BE CAREFUL: positive k is left and negative k is right. Don’t get these mixed up