These data show the age in years of 9 members of the youth orchestra. 12 14 16 17.5 10 18 15 15.5 19 what is the iqr (interquartile range) for these data? 4.75 9.00 15.50 17.75

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.