Horizontal and vertical lines are So, angles vare right angles by definition of
perpendicular lines.
All right angles are
Therefore, ABC ~ ADEF by the SAS similarity
theorem.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Simplify. 3(4+4x) (type your answer in with no spaces)