Which expression can be used to represent the phrase "four less than a number"? A. d − 4
B. 4 − d
C. d + 4
D. 27 − 4

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:

answer: 457.14

step-by-step explanation:

205 - 45 = 160

160 / .35 = 457.142857