Determine which numbers in the set are solutions to the equation.4 + (y + 7) = 13; {2, 3, 4}
A. 2
B. 4
C. 2 and 4
D. 3
Answer: A
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Solve the linear system using an inverse matrix. x + 2y + 3z = -11 x + y + z = -42x + 2y + z = -2
A. (7, -28, -17) B. (-44, 8, -2) C. (-3, 5, -6) D. (-29, -35, -10)
Find the mean for the list of numbers.Numbers of people attending hockey games: 26,504, 29,308, 17,888, 26,039Round answer to the nearest whole number if necessary.
A. 24,934 people B. 26,504 people C. 24,935 people D. 29,308 people
Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 
B. 25
C. 5
D. 
For the given parabola, give the coordinates of the vertex, the axis, the domain, and the range.y = (x + 9)2 - 5
A. vertex: (9, -5); axis: x = -9; domain: (-?, ?); range: (-?, ?) B. vertex: (-9, -5); axis: x = -9; domain: (-?, ?); range: [-5, ?) C. vertex: (-5, -9); axis: y = -9; domain: [-5, ?); range: (-?, ?) D. vertex: (9, -5); axis: x = 9; domain: (-?, ?); range: [-5, ?)