Walter lane took out a simple interest loan of $3,000 at 10% interest for 18 months. after four payments the balance is $2,530.20. he pays off the loan when the next payment is due. what is the interest?

Three coins are flipped. what is the probability that there will be at least two tails?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points