Which property explains why these two expressions are equal?
-5 + (x + 4) = -5 + (4 + x)
a) associative property
b) commutative property
c) distributive property
d) multiplicative identity property

Polynomial that can be factored as (3x-4)(3x+4)

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.