A phone company offers two monthly plans. Plan A cost $23 plus an aditional $0.10 for each minute of calls. plan B cost $19 plus an aditional $0.14 for each minute of calls

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

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

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80