16 because 40-12=28 and Samad will be 28 on 16 years. In 16 years his father will be 56 which is double of 28.
Answer:
4 meters per second
Step-by-step explanation:
200 ÷ 50 = 4
Answer:

Step-by-step explanation:
We can use the double angle identity for sine.

The given expresion is

We apply the identity to get:

We simplify to obtain;

This simplifies to:
The correct answer is D
Answer: X=9/4
Step-by-step explanation: