Answer:
Division
Step-by-step explanation:
Certain Outcomes/Total Outcomes = Probability
The operation used is division
Answer:
75 mins or 1 hour 15 min :)
Step-by-step explanation:
-20 because 40 is a positive and spent is negative
Answer:
one real solution
Step-by-step explanation:
square root of 0 is 0
x^2 = 81/100
Let's take the square root of each side
x = 0.9 and -0.9