This might not be correct but....
I’m going to use rounding,
42 x 2 = 84
84 divides by 3 = 28,
Which is near 30......So the number of people in the group is rounding to about 2 people.
Since the opposite operation of addition is subtraction you subtract. So you add 14 both sides and now z is by itself. finally just add 2 and 14 which is 16
Answer:
Step-by-step explanation:
it becomes lighter :P or maybe you could say "bouncier" :P
The answer is A, the first one :)
[-½, ¾]; use either "Substitution" or "Elimination" to do this, and you'll see that this answer is correct.