Asample of 3 different bulbs is randomly selected from a group containing 8 that are defective and 22 that have no defects. what is the probability that at least one of the bulbs is defective? round answer to three decimal places.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5