31/3 yards by 5 1/3 yard cost 4.10 each how much are pavers

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

What is the reflection image of (5,-3) across the line y = -x?