Answer:
Step-by-step explanation:
the answer is b defenitly
Answer:
k=20
Step-by-step explanation:
The constant of proportionality, k, measures the constant value of the ratio between two proportional quantities, being y and x in this case. Essentially, y/x will always equal 20, the constant of proportionality.
(13+14)+11= 13+(14+11)
Associative property of addition
42+35 is 77
7(6+5) is 77 so yes
Brainliest pls
#4 .
x + 8 - 8 = 7 - 8
It's "Subtraction property of equality"
It's correct