Find the solution set for the equation, given the replacement set.

5x + 2y = –3; {(–2, 9.5), (–3, 11.5), (–4, 8.5), (–5, 6.5)}

a.

{(–2, 9.5), (–3, 11.5)}

c.

{(–4, 8.5)}

b.

{(–3, 11.5)}

d.

{(–4, 8.5), (–5, 6.5)}

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?