Determine the point of intersection of the lines x + y = 4 and 2x + 3y = 12

The variable in a relation who’s value depends on the value of the independent variable is called what?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.