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What is the number represented by the two-digit number z, where z is exactly four times the sum of its digits and twice the product of the digits?
What is the number represented by the two-digit number z, where z is exactly four times the sum of its digits and twice the product of the digits?
In the pair of linear equations $2x+y=6$ and $2x-y+2=0$, what is the area of the shaded region bounded by these lines and the x-axis?
In the pair of linear equations $2x+y=6$ and $2x-y+2=0$, what is the area of the shaded region bounded by these lines and the x-axis?
If the ratio of two numbers is 2:3, what is the sum of the two numbers?
If the ratio of two numbers is 2:3, what is the sum of the two numbers?
For the system of equations $2x+3y=7$ and $(p+q+1)x+(p+2q+2)y=4(p+q)+1$, what are the values of p and q for which the system represents coincident lines?
For the system of equations $2x+3y=7$ and $(p+q+1)x+(p+2q+2)y=4(p+q)+1$, what are the values of p and q for which the system represents coincident lines?
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If the length of the sides of an equilateral triangle are $2x$, $x+y$, and $x+2y$, what is the perimeter of the triangle?
If the length of the sides of an equilateral triangle are $2x$, $x+y$, and $x+2y$, what is the perimeter of the triangle?
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