3.The ratio of blue chairs to red chairs in Mrs. Taylor’s class is 4 to 5. Which of the following cannot represent the total number of chairs in Ms. Taylor's class?. Single choice. A 18
B 27
C 30
D 36

Technician a says after tire service work tires and wheels must be in a state of static and dynamic balance in order to avoid vibration in service. technician b says tires and wheels are balanced at the factory and do not need further balancing. who is correct?

Love, which can’t be observed or measured directly, is an example of psychological construct

Why is it essential to operationally define the variables in a study?