Answer:
A=72
Step-by-step explanation:
72-2/7 = 10
72-2=70
7X10=70
17 is a prime number so the simplest form is 17/100
Answer:
153 ways.
Step-by-step explanation:
The answer is the number of combinations of 2 from 18
= 18! / 2! (18-2)!
= 18! / 2! 16!
= 18*17*16! / 2! 16!
= 18 * 17 / 2*1
= 9 * 17
= 153 ways.
Answer:
1/3
Step-by-step explanation: