There are 20 guests at a party. the host has 8 gallons of punch. he estimates that each guest will drink 2 cups of punch. if his estimate is correct, how much punch will be left over?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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.