Ellen walks dogs on weekends. she get paid $8.50 per hour. each day she works 5 hours and 45 minutes. does she earn more or less than $85 in one weekend? how much more or less? explain.

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

X+y=-4 x-y=2 use elimination with adding and subtraction

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air