Find the intersection.x = 9 + 4t, y = 3 - 8t, z = 8 + 4t ; -8x + 6y - 3z = -6
A. (5, 11, 4)
B. 
C. (13, -5, 12)
D. 
Answer: D
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Solve the problem.The resistance R produced by wiring resistors of R1, R2, and R3 ohms in parallel can be calculated from the formula 
If R1, R2, and R3 are measured to be 10 ohms, 7 ohms, and 9 ohms respectively, and if these measurements are accurate to within 0.05 ohms, estimate the maximum percentage error in computing R.
A. 0.36% B. 0.72% C. 0.48% D. 0.60%
Factor the polynomial completely.x2 + 11xy + 18y2
A. (x + 2y)(x + 9y) B. prime polynomial C. (x - 2y)(x + y) D. (x - 2y)(x + 9y)
Provide an appropriate response.Find the vertex and the axis of symmetry of the graph of y = x2 - 5x - 7.
A. vertex: 
; axis of symmetry x = - 
B. vertex: 
; axis of symmetry x = - 
C. vertex: 
; axis of symmetry x = 
D. vertex:
; axis of symmetry x = 
Multiply.-3(-4)(-9)
A. -118 B. 108 C. -8 D. -108