Answer:
18
Step-by-step explanation:
4x + 5x = 180
10x = 180
x = 18
Number 2 is 20 number 3 is 11
Answer:
Step-by-step explanation:
10, 24 and 38 are composite numbers.
(10 can be divided by 5 and 2; 24 can be divided by 8, 3, 12 and 2; 38 can be divided by 19 and 2).
The others are prime numbers.
Answer:
180 degrees
Step-by-step explanation:
because i said so