Iwill give brainliest for the first ! a spinner with 9 equal sections is numbered 1 through 9. the probability of spinning a 1 or a 9 is 2/9 . what is the probability of not spinning a 1 or a 9? enter your answer as a fraction, in simplest form, in the box.

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)

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points