Several properties are used to evaluate this expression. Identify the property used in each step. 21 + (36 + 0 + 19)
21 +(36 +19):
21 +(19 +36):
(21 +19) + 36:
40 + 36
76

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)