How would I write this polynomial in standard form and then identify the leading coefficient –2 + x – 4+ 3?

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122