There are 28 students in Mr. Starr’s class. The ratio of his students who are in the play to those who are not in the play is 2:5. How many of Mr. Starr’s students are in the play? The model below represents the original ratio.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Write a linear funtion f with the values f(2)=-1, and f(5)=4