2. Suppose Miguel needed 3 gallons of milk. If he wants to spend the least amount of
money, using any combination of the four sizes above, how much will he spend? Prove that your method guarantees Miguel will spend the least amount of money.

3. Miguel needs ¾ gallons of milk to make 12 milkshakes. How much milk does he need to make 30 milkshakes? Use at least two different methods to support your answer. Is this a proportional relationship?

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.