Bryan is buying notebooks and pens at an office supply store. notebooks cost $3.59 and pens cost $1.49. he can spend up to $13 on these items.

let x represent the number of notebooks. let y represent the number of pens.

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Find the area of a parallelogram with base 15 yards and height 21 2/3