The only solution of the equation x2 + bx + 16 = 0 is x = 4. What is the value of b? b = –16
b = –8
b = 8
b = 16

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20