Item 18 There are 100 lettered tiles in a board game. You chose the following tiles without looking: R, E, K, I.

How many of the 100 tiles would you expect to be vowels?
HALP

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.