exam Maths Puzzle Numerical Ability

Graph the solution set: 3x+5y>-15
x+3y>-6
x>-0,y>-0

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exam Other Question

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.Define variables, set up equation(s) and solve. what is the area of a triangle with these measurements...6ft by 15ft by 20ft ???