Equilateral triangle ABC has coordinates A(-1, -2) and B(2,2). Find the perimeter of triangle ABC.
25
B
15
C 5
D 20

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Find the domain and range of the following function f(x) = 51x - 21+ 4