A professor gives his students 10 essay questions to practice in preparation for an exam. Only 3 of the questions will actually appear on the exam. How many different exams are possible?

The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression

The first four terms of a sequence are shown on the graph below. what can be concluded about the sequence? the common ratio of the sequence is 2. the common difference of the sequence is 2. the next term of the sequence is represented by the point (5, 64). the next term of the sequence is represented by the point (5, –64).