What is the observed value of the test statistic? (Find the test statistic for ModifyingAbove p with caret 1minusModifyingAbove p with caret 2, where ModifyingAbove p with caret 1 is the proportion over the sample of people using the nicotine gum and ModifyingAbove p with caret 2 is the proportion over the sample of people using the placebo.)

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2