Mr. harris has some money in his wallet. he pays the babysitter $12 an hour for 4 hours fo babysitting. his wife give him $10, and he puts the money in his wallet. by how much does the amount in his wallet change?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?