Perform the indicated operation. -10 + 15

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

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

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !