If the population mean payment time is 19.5 days, what is the probability of observing a sample mean payment time of 65 invoices less than or equal to 18.1077 days?

Emily just hires a new employee to work in your bakeshop. In one hour the employee burned 650 chocolate chip cookies. if this represented 13% of the day's production, how many cookies did you plan on producing that day?

Jessica has 48 coins, some of them are nickels and some are dimes. How many of each does she have if she has $3.25 total?

How are the expression of ''1/4 of 12'' and ''12 divided by 4'' related

The surface area of a rectangular prism is 10.4 in2. what is the surface area of a similar prism that is larger by a scale factor of 3?

7 divided by negative 7

1. Tim is choosing between two cell phone plans that offer the same amount of free minutes. Cingular's plan charges $39.99 per month with additional minutes costing $0.45. Verizon's plan costs $44.99 with additional minutes at $0.40.

4,355,000 in word form

In a class, 20 people live on campus and 4 people live off-campus. If we were to draw one student's name from a hat, what is the probability that this student is living off-campus?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Which of the following best describes the expression? 2x + 7y