Which of the following equations has a solution of -50? b - (20) = -30 -2r = 50 = -25 n + (-16) = 65

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers