Alondra says that (12 + 31) × 5 is equivalent to 12 + 31 × 5 because of the associative property. Describe the associative property in words.

Step-by-step explanation:

The associative property states that you can add or multiply regardless of how the numbers are grouped.

it is not the same because the parentheses make it different

Step-by-step explanation:

=)

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50