2. To determine what students want served in the cafeteria, the cook asks students in Ms. Andrew's first period class. Describe the sample used by the cook.
Need a Hint?
A. The sample is unbiased because it is a convenience sample.
B. The sample is biased because it is a convenience sample.
C. The sample is biased because it is a voluntary response sample.
D. The sample is unbiased because it is voluntary response sample.

With finding limits of multi variable !

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?