7(3r-1)-(r+5)=-52
21r-7-r-5=-52
21r-r-5-7=-52
20r-12=-52
Add 12 to both sides
20r=-40
Divide by 20
r=-2
25,386 to the nearest 1000 is 25,000. This is because 386 is less than 500, and it’s only when a number is over or equal to 500 that you round up to the next thousand.
1.46*10^9 will be the answer
I think it’s B (Bc it’s slightly different)
(3)/(1)/(4) step by step below