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What is the solution to the equation 9^(x+1) =27

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check