Determine if the side lengths could form a triangle. 18 in, 6in, 13in yes or no

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.