If 18% of a city is affected by an outbreak of flu. use the poisson approximation to the binomial distribution to find the probability that a factory with 160 employees will have at least five people absent.

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane