Micah is planning a road trip. He estimates that he will drive a total of of hours. He wants to stop for gas after
of the total time has passed. How long will he drive before he stops for gas? Express your answer as a mixed number.

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

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?

How can you tell when x and y are not directly proportional?