exam
Maths Puzzle
Numerical Ability
y=1/3x+1/2
Determine if the lines are parallel, perpendicular, or neither.
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exam Other Question
How many pounds of peanuts costing $2.00 a pound should be mixed with a 4 pounds of cashews costing $4.50 a pound to obtain a mixture costing $3.00 a pound?
Solve each system by substitution:
5x - 2y = -5
y - 5x = 3
Any help with this problem would be appreciated. I am having problems with the substitution.