Marcus earns money from feeding cats and answering emails. he earns $7 a week for each cat he feeds and $0.20 for each email he answers. marcus answered 140 emails and earned $49 last week. part a: create an equation that will determine the number of cats he fed. part b: solve this equation justifying each step with an algebraice property of equality. part c: how many cats did marcus feed last week?

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.