Using the following system of inequalities find the maximum value of f(x,y) = 3x + 9y x≥0 y≥0 3x+2y≤18 6x+7y≤42

Using the following system of inequalities find the maximum value of f(x,y) = 3x + 9y x≥0 y≥0 3x+2y≤18 6x+7y≤42

A garden is in the shape of a square with a perimeter of 48 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is 2 feet from the...

Mary works due north of home. Her husband works due east. They leave for work at the same time. By the time Mary is 7 miles from home, the distance between them is one mile more than Alan's distance...

molly's basic cell phone charges $35.99 for service plus $0.21 per minute beyong the included 250 minutes in the plan. how much will it cost Molly if she used her cell phone for 480 minutes in one...

The total cost after 7 months' membership will be $3,175, and after 1.5 years, $4,110. Find both the initiation fee and the monthly dues.

Write an equation to represent the relationship between Al's distance (D), rate (R), and travel time (T).

Arjun's hourly rate of pay is $4 more than that of Rachel's. If both of them worked for 3 hours and received a total of $136, what is Rachel's hourly rate of pay? Round to two decimal places.

a systems of equation question and you should solve using elimination

To rent a certain meeting room, a college charges a reservation fee of $42 and an additional fee of $8.80 per hour. The chemistry club wants to spend less than $112.40 on...

The distance in miles a family has traveled so far on their trip can be modeled by the equation y= 0.6x -75, where x is the number of minutes of driving today.

Help me out here (3,4) (-1,-12) (-4,-17) (3,-4)

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