What is the slope of (39) and (42)?

What did Albert Einstein do for a living when he was young? Which number in the series is wrong 2 14 91 546 3002 15015? What is a quadrilateral with 4 right angles opposite sides parallel and all sides congruent? What is 21 diveded by 2? What numbers equal ten? Why is the base of 1 not used for an exponential function? Why do you use the scientiic method? How much hundert deutsche mark 1996 in us dollar? How do you figure out a profit? How do you write a half trillion in the numbers? What is 437000 in scientific notation? What is the number 38 in roman numerals? What goes into 17 and 68? Write 82 as a pruduct in two different ways? Where does the term lets call a spade a spade originate and what does it mean? What is the area of Etting? How can you use a divisibility rule to determine if117 is prime or composite? What you 2 over 3 as a decimal? How many times does 14 go into 156? Which number has the greast value?