Two friends live 253 miles apart. They drive toward each other on the same highway to meet for a weekend. The first friend drives 5 miles per hour below the speed limit and it takes her 2 hours to meet her friend. The second friend leaves 15 minutes later, and she drives at the speed limit. What was the second friend’s speed?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Which best explains why this triangle is or is not a right triangle ?