An ice cream shop's goal is to sell a mean of 45 ice cream cones per day. in one week, it sold the following numbers of ice cream cones each day. 54, 45, 33, 39, 48, 40, 21 how many more ice cream cones would it have had to sell during the week to meet its goal?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Three times the sum of a number and seven is negative thirty-six. what is the number?

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.