itscharlieyo and millytilly tpip are my best friend if you want to be my best friend friend me and subsribe to my you tube and you will be in my next shout out

Ill mark brainliest to whoever answers first correctly hurry! a vehicle's is the entire piece of plastic that spans the front end of the passenger cabin. a. instrument panel b. control panel c. dashboard d. frontboard

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

How do you do this? i’ve marked the correct answer but i can’t seem to calculate