For each of these intervals, list all its elements or explain why it is empty. a) [a, a] c) (a, a] e) (a, b), where a > b b) [a, a) d) (a, a) f) [a, b], where a > b

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)