Answer:
D.
Explanation:
TOEFL is a marker for how good your english is. Most colleges would ask that you take it if you are not a native speaker or have not done many classes in English. This is so that they know you can understand the lessons conducted in colleges
Object permanence. Meaning they think it is gone for good when it is out of their sight.
Variable is a letter next to a number whether it’s x or y it can be any letter really but main ones is x and y and data is something written down from an oberservartion whether it’s an experiment or table etc.
It's The Heart. Hope This Helps
Answer:
A
Explanation:
You must know the basics of Trigonometry to solve this.
First, you must know that
lies in the second quadrant, so sin is negative.
Next, since
pi/4, is the reference angle of 3 pi/4, this means that we can set up a right triangle with pi/4 as an angle, we get
So the answer is A
