(7x – 51)
27
(5x +5°
what is the value of x?
a. 28
b. 145
c. 19
d. 11
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What is the vertex form of f(x) = x2 + 6x + 3

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.