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Which of the following is a polyatomic ion: CH3COOH,
CR2O7^2, Na^+, or H2?

What is the slope of the line passing through the following points: # (5, 2) ; (2,1)#?

How do you know if #y= x+x^2# is an even or odd function?

How do you translate "eight times a number T less three" into a mathematical expression?

Fifteen less than twice a number is the same as the number plus two. What is the number?

How do you write the standard form of the equation of the circle with Center: (3, 2); Radius: 3?

A farmer has a rectangular field with a length of 30 yards and width of x yards. If the perimeter is the sum of all four sides of the field, wow do you write an expression for the perimeter of the field, in yards?

What mass of aluminum has a volume of #6.3# #cm^3#?