F(x) - 5x – 21x² + 4x find the rational zeros

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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 !