Which expressions are differences of squares?
select each correct answer.
x^2+25
a^2−36
w^2−121
n^2−50

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

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Atemperature of 1.64◦f corresponds to answer in units of ◦c.