Answer:
55 miles per hour
Step-by-step explanation:
Given that:
Distance from Mexico to Texas 350 miles
Miles already traveled = 75 miles
Hence, miles left ;
(350 miles - 75 miles) = 275 miles
To complete 275 miles in 5 hours ;
Speed = distance / time
Speed = 275 / 5
Speed = 55 miles per hour
Answer:
The prevalence of serious defects in this population at the time of birth is 10%.
Step-by-step explanation:
The prevalence of serious defects is the number of infants that were born with seriours birth defects divided by the total number of infants born.
In this problem, we have that:
There were 1000 newborn infants.
100 infants were born with serious birth defects.
Calculate the prevalence of serious defects in this population at the time of birth.
This is:

The prevalence of serious defects in this population at the time of birth is 10%.
Answer:
Step-by-step explanation:
1) D
2) B
3) no solution
y ≤ 0.5x - 4 is area C including the red line
y ≥ 0.5x + 5 is area A including the blue line