Rose wants to determine whether her neighbors would be interested in buying candles in her upcoming fundraiser. She stops at every other house on her street to ask her neighbors' opinions. 1. Self-selected sample
2. systematic sample
3. simple random sample
4. Convenience sample

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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.

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3