Answer: 
Step-by-step explanation:









Of means multiply
3/5 *n=30
3/5 5/3 cancels than you do 30 *5/3 =50
The answer is 50 you can check your answer by doing 3/5 *50=150/5 or 30 so it's correct .
Answer:
117649
Step-by-step explanation:
7 to the power of 2 is 49 then bc its in () do 49 to the power of 3 = 117649
Answer:
Rational
Step-by-step explanation: