Which is better to buy 4.20 for 6 cans or 8.00 for 10 cans

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?

At the play,8 students from mr.franks room got a seat.if there were 17 childern from room 24,how many childern did not get a seat ?