Please Answer These Math Questions LOT OF QUESTIONS LOTS OF POINTS (Questions in picture)PLEASE ANSWER CORRECTLY!!!

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

What must be done to breed dogs for a partical trait

Which group of molecules are targeted by the kinases in order to control this movement