Answer:
False
Step-by-step explanation:
-(-21) is positive 21 since there are 2 negative signs, and -21 is negative, therefore they are not the same.
Hope this helps!
Answer:
I only have the first two, sorry...
Step-by-step explanation:
Yes; 2/3
D because is just did the math and that's what I got
Answer:
26 2/3
Step-by-step explanation:
The number of degrees in the first quadrant is 45 degrees.
<h3>Coordinates of a circle</h3>
The formula for calculating the angle in the first quadrant If the coordinates of point J are 

From the calculation above the number of degrees in the first quadrant is 45 degrees.
Learn more on circles here: brainly.com/question/24375372