Sandy is buying a $107,500 house with a 15 year mortgage at 3.5% interest. Her monthly payment is $768.50. What is her total payback and how much of that is interest? Assume only the minimum payment is made.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !