Answer:
81
Step-by-step explanation:
The area of a square is its side length squared so 9^2 is 81
Answer:

Step-by-step explanation:

Or means not both
if people study both then the number of people studying either french or spanish is 7 less than the total number of peple studig french and spanish because thoe 7 are common to both groups
9+14=total=23
23-7=16 people studing either
proabblity=desiredoutcmes/totalpossibe
desired=16
total=30
so 16/30=8/15 is the probablity
Answer:

Step-by-step explanation:

Do cross multiplication


Divide both sides by 12

Calculate

Hope I helped!
Best regards! :D