Answer:
7
Step-by-step explanation:
20 - 12 = 8
15 - b = 8
-b = 8 - 15
b = 7 ( -ve signs will become +ve)
Answer:
Complementary angles: the angles whose sum is 90° are called complementary angles.
Supplementary angles: the angles whose sum is 180° are called supplementary angles.
Step-by-step explanation:
hope it might help....
You would put -21 on bottom right on the x axis and -x on the top left on the y axis
The answer is 33.3 repeating
The square root of 7 is an irrational number.
