On a coordinate plane, polygon ghij translate 8 units to the left to form polygons g'h'i'j'.which of the following equation is not necessarily true?
a. gh=g'h
b. g'g=8 units
c. m angle hij= m angle h'i'j'
d. angle mhi'j=m angleh'ij'

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?