Answer: 3/5
Step-by-step explanation:
First, you need to find the inverse of f(x)=2x+5 .

Then, you'd plug in 8 into that equation, which I got 
Hope this helps :)
Answer: 0.343
Step-by-step explanation:
Probability of college students that say they have a job = 70%
Number of randomly selected college students = 3
The probability that 3 randomly selected college students say they have a job will be:
= (70/100)³
= 0.7 × 0.7 × 0.7
= 0.343
Answer:
36,000
Step-by-step explanation:
if you multiply 12,000 and 3 you get 36,000.
Answer:
AD~CB or ABD~BCD OR AB~CD
The toy rocket hits the ground when h(t) = 0.
So, h(t) = 0 = -9t^2 + 81.
Solving the equation,
-9t^2 = -81
Dividing by -9
t^2 = 9
Taking the square root.
t = 3
The answer is 3 seconds.