Which direction does the graph of f(x) = −2x^2 + x − 4 open? up down left right

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 !

How to simply and write the answer n a whole number

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8