Which one of the following statements expresses a true proportion?
a. 2: 1 = 1: 2
b. 7: 9 = 8: 9
c. 54: 9 = 6: 3
d. 3: 4 = 9: 12
explain

What is the compound interest in a three-year, $100,000 loan at a 10 percent annual interest rate a) 10.00 b) 21.00 c) 33.10 d) 46.41

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Find the values of y: 3y^3(y^2+ 2/3y)=0