Corlos bought a book for $9 . now he would like to buy 4 other books for the same price .how much will he have to pay in all for the other 4 books

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?