A dishwasher sells for $629.95.A vacuum cleaner sells for $69.99.A microwave oven sells for $129.95. Estimate to the nearest ten dollars how much more the dishwasher costs than the vacuum cleaner

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:

1 is c

2 is a

3 is a

step-by-step explanation:

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

the eight graders whould be the answer

step-by-step explanation: could you give me 5 stars