Can i please have help with this
Sunita creates a scale model of an aeroplane.
The scale of the model is 5 cm to 11 m.
Sunita's model has a wingspan of 30 cm.
What is the wingspan of the real aeroplane?

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

Geometry answer picture question pls . reason and statements

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48