A$1500 loan has an annual interest rate of
4 1/4% on the amount borrowed. how much time has elapsed if the interest is now $127.50?

really need this explain some work too. thx!

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?