Identify the type of sequence shown in the table below, and select the appropriate response. n | f(n)
1 | 4
2 | -20
3 | 100
4 | -5000

a)Geometric sequence; common ratio is -5
b)Geometric sequence; common ratio is S c)Arithmetic sequence; common difference is d)120 Arithmetic sequence, common difference is -24​

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?