Afirst number plus twice a second number is 9. twice the first number plus the second totals 21. find the numbers

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

Rationalize the denominator- 12x/√x-10

Quick graph the line for y+2=32(x+4) on the coordinate plane. does anyone know the cordinates will mark brainliest.