PHOTOGRAPHY A photographer sells his photographs for $20 each at an art show. He spent $185 to print the photographs and made a profit of $55 at the art show. Write and solve an equation to find p, the number of photographs sold.

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

Write the expression as a single natural logarithm. 2 in a - 4 in y

Find the ratios of the corresponding sides