The first six steps of the derivation of the Quadratic Formula are listed below. 01
+
a
a
1. ax2 + bx + c = 0
2. x2 +
3. x2 + x + = 0
4. x2 + x=-
5. x2 + x +
6. (x + )2 =
b2
4a2
b2-4ac
+
a
422
4a2

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.