Which expression is equivalent to 30r – 10? -10(3x + 1)
10(3x – 1)
10(3x + 1)
-10(3x - 1)

The triangles are similar. what is the value of x? show your work.

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row