A triangle has the following vertices: W(6, 3), X(8, −4), and Y(−2, 5). Its dilation has the vertices: W'(9, 4.5), X'(12, −6), Y'(−3, 7.5). Is ΔW'X'Y' larger or smaller than ΔWXY? Explain.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

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?