The number of cds sold in 2010 was 114 million, down from 147 million the previous year. what is the absolute and relative (percent) decrease?

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

43lbs of tomatos cost $387. how much would 41lbs cost

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c