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The solutions of the equation -x2 +1 = 0 are
and x =

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Which ordered pair is a solution of the equation? 2x+3y=10