a cookie company uses one cup of sugar for every 25 cookies it makes . let S represent the total number of cups of sugar used and let N represent the number of cookies made.

S=25N is the answer

Step-by-step explanation:

true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation:

omg what happend to your question? if you could edit this question i can

step-by-step explanation: