On a long flight with no movie, three airline travelers compare notes. They discover that they all paid different prices for their tickets. The most expensive ticket cost $257.50. The least expensive cost $10 more than half as much as the most expensive ticket. If the mean price of the three tickets was $200, what was the median price of the tickets?

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.