Please show any work you did and explain your answer.

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9