Answer:
the first 7 has a value of 7,000 while the second 7 has a value of 700
(5x6) x 2 = 60 I am so sorry if it’s not correct I’m not on my best game today
<span>A direct variation means proportionality. Triangular numbers are quadratic in n. T(n)=n(n+1)/2. So no.</span>
Yes, the is factor since there is nothing to factor out from that