What is the value of h when the function is converted to vertex form?

Note: Vertex form is p(x)=a(x−h)2+k .

p(x)=x2−14x+29

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Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

If a is a nonzero real number then the reciprocal of a is