Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Icould really use some with this question.

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet

If a + b = 4, what is the value of |4 – a| + |4 – b|?