Answer:
Step-by-step explanation:
102-8= 94
94/2= 47
Jiri is 47 years old.
Answer:
15 hours
Step-by-step explanation:
Given:
Fernell's speed
mph
Dabney's speed
mph
Denote:
- distance covered by Fernell
- distance covered by Dabney
- Fernell's time
- Dabney's time
1. If Fernell drove for 3 hours longer than Dabney, then his time is 3 hours more than Dabney's time and

2. If Fernell covered 18 miles less than Dabney, then

Use formula 

Subtract from the first equation the second equation and equate it to 18:


Answer:
Axis of Symmetry: x=-1
Vertex: (-1,-9)
Domain:
(-
∞
,∞
)
Range: (-9,∞
)
Step-by-step explanation:
5
Ac= 10 inches is the diameter
Fa is the half of the circle so divided 2 to get 5