What is the ratio of total emojis to poop emojis if there are 3 smiley face emojis and 5 poop emojis?

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?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?