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x2+3x-154=0

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Which graph of a hyperbola represents the equation 16x^2-y^2=16