Can somebody help me find X?
x =

a.12
b.4
c.6

What is x and y intercepts for y=x+7

2,10,-50 next two numbers geometric sequence

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?