Answer:
6:11
Step-by-step explanation:
The toy is 2(x)-20, x is 100, being the toy car. So 2(100)= 200 -20 =180. The cost of the toy is $180
Answer:
9/3
Step-by-step explanation:
It's going up by 9 and going right by 3.
Remember it's rise over run.
Answer:
87.9
Step-by-step explanation:
Use a calculator or table to find the z-score that corresponds to 25%.
P(Z < z) = 0.25
z = -0.675
Now find the value that corresponds to that z score.
z = (x − μ) / σ
-0.675 = (x − 101.3) / 19.9
x = 87.9
Answer:
-1.9b + 7.8
Step-by-step explanation: