An auction house sells raffle tickets for $1. there are 10 prizes, each worth $10. if 100 raffle tickets are sold, what is the expected value of each ticket?
$0
$1
-$1
$10

There are several unique characteristics of qualitative research that make it distinct from quantitative research. describe the aspects of qualitative research and the elements of design that contribute to the rigor of the work. what actions of the researcher can compromise the integrity of the findings?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?