Answer:
97
Step-by-step explanation:
Sorry for messy working out
Answer: 
Step-by-step explanation:
Given
Inside radius of figure 
Outside radius of figure 
Area of outside region is 
Area of inside region 
Area of shaded region 
Probability that point lies inside the shaded region is

Step-by-step explanation:
sales tax= 8% of $40.00
=8/100× $40.00
=$3.20
F(x) = x² - 81
Finding f⁻¹(x) the inverse function
Let y = f(x) and solve for x.
y = x² - 81
y + 81 = x²
x² = y + 81
x = √(y + 81)
Recall f(x) = y, that means x = f⁻¹(y)
x = √(y + 81)
f⁻¹(y) = √(y + 81)
Therefore f⁻¹(x) = √(x + 81)
Answer:
1/3 and 10/11, or 9/27 and 40/44
Step-by-step explanation:
Simplified 3/9 by 3.
Simplified 20/22 by 2.