Answer:
Absolute Value
Step-by-step explanation:
Absolute Value is very useful in finding the distance between two points on the number line. The distance between any two points a and b in the number line is
|a-b| or |b-a|.
30
Complementary angles add to 90
x+60 = 90
x+60-60 = 90-60
x = 30
all even numbers
hope it really helps...!!!
