Answer:
y=50
x=60
Step-by-step explanation:
x= 180-(50+70)
x=60
y=50
Step-by-step explanation:
We know that,

Where,
X = raw score = 84
μ = mean = 68
σ = standard deviation = 10
Putting the values,

The percent of his sales that were less than or equal to 84 inches, is

Therefore, the remaining 100-94.5=5.5% were more than 84 inches.
Answer:
5
Step-by-step explanation:
Answer:
$472.5
Step-by-step explanation:
10.5x
10.5 × 45= $472.5
It’s f(0)=3 because f(0) just means y intercept which is 3