Is (4,-2) a solution of the inequality? why or why not

Ill mark the brainliest if you me with the these three questions 7,8,9

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in