Which equation describes a parabola that opens left or right and whose vertex is at the point (h, v)? O A. y= a(x- h)2 + v o B. y= a(x-1)2 + C. x= a[y-y2 + h D. X= a(y- h)2 + v​

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step-by-step explanation:

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.