HELP ME ASAP IT IS QUICK PROMISE JST ANSWER TWO SIMPLE QUESTIONS

3.6 for tomatoes and 8.4 for lettuce

Step-by-step explanation:

70% of 12=8.4

30% of 12=3.6

check: 3.6+8.4=12

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:

ab will be equal to