stephanie and amanda each improved their yards by planting hostas and shrubs. they bought their supplies from the same store. stephanie spent $141 on 13 hostas and 10 shrubs. amanda spent $87 on 11 and 2 shrubs. what is the cost of one hosta and the cost of one shrub?

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.