Rectangle a is 15cm long. rectangle b is 40cm long and its width is 8 less than rectangle a. the area of rectangle b is double rectangle a. what is the width of rectangle b?

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

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Is the point (0, 8) on the x-axis or y-axis? how do you know?