A long-distance runner started on a course at an average speed of 8mph. Half an hour later, a second runner began the same course at an average speed of 11 mph. How long after the second runner starts will the second runner overtake the first runner?

49xy +34y - 72z. determine the degree of the polynomial

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.