What is the vertex of PDQ?

Mr and Mrs Rose have six old railroad ties that they would like to use to border two different triangular flower beds They have two ties that are 4 feet long two ties that are 6 feet long one tie? How is carpet measured and priced? What is the average mean of 224 and 7? How many zeros in 300000 million? What is the sale price if the price is 35 and it is 20 percent off? How many liters of a 20 percent solution of saline should a nurse mix with 10 liters of a 50 percent solution to obtain a mixture that is 40 percent saline? What is the value of a 1942 silver dime? Can Every real number can be expressed as a decimal? How do you pronounce 100000000? How do you find out if lines are parallel? How many four digit numbers start with a odd digit? What doe the M stand for in the equation EMC2? What is 681542 rounded to the nearest thousand? What time what equals 162? Which is the quadrilateral which has one angle measuring more than 180 degree? 6 ft 5 in plus 3 ft 9in equals? Find P 9 x 15 when mu equals 12 and sigma equals 2? What is the probability that a random sample of 15 pitches from a pitcher will have a mean less than 14 seconds given an average of 14.75 and a standard deviation of 2.3? Integral of 6dx from 4 to 10? What is 150.932 to 1 significant figure?