Answer:
1. 9/16
2. 39/250
3. 12/15
Step-by-step explanation:
Answer:

Step-by-step explanation:
Simple interest (I) = $160
Principal amount (P) = $2000
Time period (t) = 8 months
Let R denotes rate of interest.
Relation between simple interest, principal amount, time and rate of interest is given by 

Answer is A and C because they equal to 3(10-c)
Answer:
a polynomial with degree coefficient real number can be a negative number
i guessed i am not sure