(HELP!) During her visit to zoo, lvy stops by the cafe and orders a chicken fajita taco and a juice. if she pays for her order with a 10.00 dollar bill, the chicken fajita taco cost 3.50 and the juice cost 1.80 how much change will she receive back? (also pls explain why your answer is correct.)

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.