Lynn has $8.58 in quarters and pennies. if she has eight time as many pennies as quarters, how many of each does she have?

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?