researcher investigated whether the type of distraction (text message, app notification, no distraction) during a brief lecture influenced memory. The experiment was conducted with college students aged 18-23. Identify the independent variable(s).

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

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?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers