Answer:

Step-by-step explanation:
center of the hyperbola is (0,0) = (h, k)
c = the distance form the center to either focal point = 100

The differences from the receiver to the transmitters = 2a
2a = 180 miles
a = 180/2=90 miles




The standard form is



Answer:
1405.8 pence fare
Step-by-step explanation:
First we have to change meters into km by dividing the distance by 1000
here we have:
Fare: 9 pence
Distance: 100m/1000 = 0.1 km
when it was
0.1 km -----------> 9 pence fare
if 1 km ------------> 9/0.1 fare
if 15.62 ------------> 9*15.62/0.1
15.62 km ----------> 1405.8 pence fare.
Answer:
9 miles
Step-by-step explanation:
3 x 3 = 9 miles per day