Answer:
Step-by-step explanation:
We can observe the numbers 72, 78, 84, 90 form an arithmetic sequence with common difference of 6.
<u>It can be continued by adding 6 to the last number:</u>
Answer:
6 = n
Step-by-step explanation:
-3=n/2-6
Add 6 to each side
-3+6 = n/2 -6+6
3 = n/2
Multiply each side by 2
3*2 = n/2 *2
6 = n
25x25+20x25+20x15+15x25=1800 the answer is D.
The constant rate of proportionality is 12!
The answer is d I believe
