The section BE connecting the side points of the triangular PCK is parallel to the side CK. BE = 12 cm, CK = 18 cm, SPBE = 60 cm2. 1) Show that APBE APCK. Calculate the coefficient of similarity of these triangles. 2) Calculate the PCK area of ​​a triangle.

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent