the simple intrest earned on $500,000 invested for eighteen months is $90,000 what was the interest rate?​

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?