I need help on my assignment, what is 163-x=-52

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?

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {

The table shows the times allison clocked in and out of work this week. how many total hours did she work? time in time out 8: 03 am 5: 13 pm 7: 58 am 4: 49 pm 7: 46 am 4: 41 pm 8: 23 am 4: 50 pm 7: 31 am 4: 32 pm