Martin won first place in the 100-meter dash with a time of 14 23/100 seconds. samuel came in second place with a time of 15 7/10 seconds. for 25a-25d, select true or false for each statement

25a. a common denominator of the mixed numbers is 100 true or false

25b. to find the difference between the runners times, samuels time needs to be rewritten true or false

25c. samuels time written with a denominators 100 is 70/100 true or false

25d. martin beat samuel by 21/25 seconds true or false

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.