Answer:
first identify the like terms;
(2-7i)+(3+9i)
(2+3-7i+9i)
5+2i
A composite number is a number that has more than 2 factors.
A prime number is a number who only have 2 factors (1, and itself)
Factors:-
9 = 1, 3, 9 = composite
2 = 1, 2 = prime
15 = 1, 3, 5, 15 = composite
21 = 1, 3, 7, 21 = composite
So, the prime #'s in this set are 2. The composite #'s in this set are 9, 15, and 21.
Hope I helped ya!!
Answer: opposite sides with equal length
Step-by-step explanation:
The anwser is C!!!!!!!!!!!!!!!!!!!!!! ik this because i calculated it my self
The correct answer would be 16/24. You would need to multiply both the denominator and numerator by 4.