Answer:
7
Step-by-step explanation:
form a proportion
12/2=42/x
cross multiply
12x=84
x=7
Correct answer is <span>4x + 15 + 47/x-3</span>
Answer:
45
Step-by-step explanation:
63/7 is 9
72/8 is 9
5x9 is 45
Answer:
I would best say mean.
Step-by-step explanation:
you add all the numbers, then divide it by the amount of numbers.
i hope this helps :)
