Answer:
this is the stuff i meed help on
Answer:
AB = 18
Step-by-step explanation:
tan 45° = 18/AB
1 = 18/AB
AB = 18
The distance traveled by Davis family = 35 miles
Time taken to cover the distance =
hour
Speed = Distance
Time
Speed = 
Speed = 
So, speed = 70 miles/hour.
At 2:00 pm, the family destination was 245 miles away.
So, the number of hours, when the family was 245 miles away = 
= 3.5 hours
So, after 3.5 hours, that is at 5:30 pm, the Davis family will be 245 miles away.
Answer:
3x+4y=12
Step-by-step explanation:
I set up fractions based on quarter hours.
I hope this helps.