Which expressions are differences of squares? select each correct answer.

a^2−36
x^2+25
w^2−121
n^2−50

which trinomials are perfect square trinomials?

select each correct answer.

a^2+4a+16

a^2+15a+75

a^2+14a+49

a^2+26a+169

factor completely.

4p² + 36p + 81

note: write the answer in the form: (ap+b)^2

Identify the number 127 as a rational or irrational. explain

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters