You plan to buy a dvd player 10 weeks from now. if the dvd player costs $260, how much money must you save each week in order to buy it? "work must be shown."

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?

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression