All of the students in a class are at least 10 years old. What inequality represents the ages ,a, of the students

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Aline passes through 3,7 and 6,9 what equation represents the line

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4