Jabari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by  m  cents per share and stock b increased by  n  cents per share. which equation can be used to find the total change in value of jabari's shares per month?
a: v=(100•-m)+(45•n)
b: v=(100•m)+(45•n)
c: v=100(4•-m)+45(4•n)
d: v=145(-m•n)

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.