Sarah's youth group is selling candy bars for a fundraiser. The candy bars cost $2 each. To date, they have raised $800. Their goal is to raise more than $2,800. How many more candy bars, x, do they need to sell to reach their goal? Select the inequality that includes the smallest number of candy bars they can sell and still reach their goal.
A.
x > 2,600
B.
x > 1,000
C.
x > 2,000
D.
x > 1,600

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

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.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.