Woman works out by running and swimming. when she runs, she burns 7 calories per minute. when she swims, she burns 8 calories per minute. she wants to burn at least 336 calories in her workout. write an inequality that describes the situation. let x represent the number of minutes running and y the number of minutes swimming. because x and y must be positive, limit the boarders to quadrant i only.

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.

Simplify 1 divided by 2/3 x (-3) divided by 1/6 x (-10)