8. Cuthbertson High School is having its annual Sadies dance, which will cost $1,500. The student treasurer reported that the dance fund has $75 left over from last year. Each ticket to the dance cost $12. Write an inequality to determine how many tickets must be sold to pay for this year’s dance. Inequality:

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.